#4087F3
Closest named color: Dodger Blue (#1E90FF). oklch(63.3% 0.177 258.8), rgb(64, 135, 243).
Aa
Black text reads best on this color (5.97:1).
About this color
#4087F3 is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.177 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Dodger Blue (#1E90FF), ΔE 0.029 away. Black text reads best on it, at 5.97:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.177) |
| Temperature | cool |
| Nearest name | Dodger Blue (#1E90FF) |
| Black text | 5.97:1 |
| White text | 3.51:1 |
Values
| HEX | #4087F3 |
| RGB | rgb(64, 135, 243) |
| HSL | hsl(216, 88%, 60%) |
| OKLCH | oklch(63.3% 0.177 258.8) |
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 #4087F3 | 3.51:1 | AA large text | Lc -67.8 | Content text, not long reading |
| Black text on #4087F3 | 5.97:1 | AA | Lc 41.8 | Non-text elements, placeholder text |
| #4087F3 text on white | 3.51:1 | AA large text | Lc 62.3 | Content text, not long reading |
| #4087F3 text on black | 5.97:1 | AA | Lc -39.4 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBFB
oklch(93.7% 0.025 257.6)
-
Step 200
200
#C6DBFA
oklch(88.6% 0.048 258)
-
Step 300
300
#9FC2F9
oklch(80.8% 0.087 259.3)
-
Step 400
400
#69A1F6
oklch(70.7% 0.139 258.5)
-
Step 500
500 (this color)
#4087F3
oklch(63.3% 0.177 258.8)
-
Step 600
600
#1C6DE1
oklch(55.6% 0.192 258.8)
-
Step 700
700
#0C5AC3
oklch(49% 0.179 258.7)
-
Step 800
800
#104A9E
oklch(42.6% 0.149 258.9)
-
Step 900
900
#153F7D
oklch(37.6% 0.115 258.6)
-
Step 950
950
#0E2549
oklch(26.8% 0.073 259.1)
#4087F3 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) | #5092F7 | 0.034 |
| Deuteranopia (no green cones) | #2A81F1 | 0.023 |
| Tritanopia (no blue cones) | #00A0B1 | 0.138 |
| Achromatopsia (no color) | #898989 | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4087F3
#4087F3
oklch(63.3% 0.177 258.8)
- #B47F00
#B47F00
oklch(63.3% 0.131 79.2)
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 #4087F3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dodger Blue #1E90FF ΔE 0.029
- Dark Sky Blue #448EE4 ΔE 0.032
- Soft Blue #6488EA ΔE 0.036
- Chefchaouen Blue #4895EF ΔE 0.040
- Clear Blue #247AFD ΔE 0.044
- Cornflower #6A79F7 ΔE 0.051
- Cornflower Blue #6495ED ΔE 0.055
- Water Blue #0E87CC ΔE 0.067
Use #4087F3 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.