#4084FB
Closest named color: Dodger Blue (#1E90FF). oklch(63.2% 0.191 260.7), rgb(64, 132, 251).
Aa
Black text reads best on this color (5.91:1).
About this color
#4084FB is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.191 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Dodger Blue (#1E90FF), ΔE 0.032 away. Black text reads best on it, at 5.91:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.191) |
| Temperature | cool |
| Nearest name | Dodger Blue (#1E90FF) |
| Black text | 5.91:1 |
| White text | 3.55:1 |
Values
| HEX | #4084FB |
| RGB | rgb(64, 132, 251) |
| HSL | hsl(218, 96%, 62%) |
| OKLCH | oklch(63.2% 0.191 260.7) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #4084FB | 3.55:1 | AA large text | Lc -68.1 | Content text, not long reading |
| Black text on #4084FB | 5.91:1 | AA | Lc 41.4 | Non-text elements, placeholder text |
| #4084FB text on white | 3.55:1 | AA large text | Lc 62.7 | Content text, not long reading |
| #4084FB text on black | 5.91:1 | AA | Lc -39.0 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EBFD
oklch(93.7% 0.027 260.3)
-
Step 200
200
#C6DAFC
oklch(88.4% 0.052 261.1)
-
Step 300
300
#9EC2FD
oklch(80.9% 0.093 260.1)
-
Step 400
400
#699FFD
oklch(70.7% 0.15 260.8)
-
Step 500
500 (this color)
#4084FB
oklch(63.2% 0.191 260.7)
-
Step 600
600
#1E69EA
oklch(55.5% 0.208 260.8)
-
Step 700
700
#1057CB
oklch(49.1% 0.192 260.6)
-
Step 800
800
#1148A4
oklch(42.7% 0.159 260.5)
-
Step 900
900
#163D82
oklch(37.6% 0.125 260.9)
-
Step 950
950
#0E254C
oklch(27.1% 0.078 260.3)
#4084FB with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #4191FF | 0.033 |
| Deuteranopia (no green cones) | #0080F9 | 0.031 |
| Tritanopia (no blue cones) | #00A0B3 | 0.149 |
| Achromatopsia (no color) | #888888 | 0.191 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4084FB
#4084FB
oklch(63.2% 0.191 260.7)
- #B28000
#B28000
oklch(63.3% 0.131 81)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #4084FB, closest first.
No curated palette has a color within ΔE 0.04 of #4084FB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dodger Blue #1E90FF ΔE 0.032
- Clear Blue #247AFD ΔE 0.034
- Soft Blue #6488EA ΔE 0.045
- Cornflower #6A79F7 ΔE 0.046
- Dark Sky Blue #448EE4 ΔE 0.047
- Chefchaouen Blue #4895EF ΔE 0.052
- Cornflower Blue #6495ED ΔE 0.065
- Cerulean Blue #056EEE ΔE 0.070
Use #4084FB in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.