#2387FB
Closest named color: Dodger Blue (#1E90FF). oklch(63.1% 0.194 255.7), rgb(35, 135, 251).
Aa
Black text reads best on this color (5.93:1).
About this color
#2387FB is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.194 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Dodger Blue (#1E90FF), ΔE 0.023 away. Black text reads best on it, at 5.93:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.194) |
| Temperature | cool |
| Nearest name | Dodger Blue (#1E90FF) |
| Black text | 5.93:1 |
| White text | 3.54:1 |
Values
| HEX | #2387FB |
| RGB | rgb(35, 135, 251) |
| HSL | hsl(212, 96%, 56%) |
| OKLCH | oklch(63.1% 0.194 255.7) |
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 #2387FB | 3.54:1 | AA large text | Lc -67.9 | Content text, not long reading |
| Black text on #2387FB | 5.93:1 | AA | Lc 41.7 | Non-text elements, placeholder text |
| #2387FB text on white | 3.54:1 | AA large text | Lc 62.4 | Content text, not long reading |
| #2387FB text on black | 5.93:1 | AA | Lc -39.3 | 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
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DEEBFD
oklch(93.6% 0.028 256.5)
-
Step 200
200
#C3DBFC
oklch(88.4% 0.052 256.4)
-
Step 300
300
#98C4FE
oklch(81% 0.095 255.5)
-
Step 400
400
#5CA2FD
oklch(70.7% 0.152 255.8)
-
Step 500
500 (this color)
#2387FB
oklch(63.1% 0.194 255.7)
-
Step 600
600
#0070DE
oklch(55.7% 0.188 255.7)
-
Step 700
700
#005EBC
oklch(49.2% 0.166 255.7)
-
Step 800
800
#004C9B
oklch(42.6% 0.144 255.8)
-
Step 900
900
#013F82
oklch(37.6% 0.126 255.8)
-
Step 950
950
#06264C
oklch(27% 0.079 255.4)
#2387FB 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) | #4592FF | 0.039 |
| Deuteranopia (no green cones) | #007FF9 | 0.025 |
| Tritanopia (no blue cones) | #00A3B5 | 0.146 |
| Achromatopsia (no color) | #888888 | 0.194 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2387FB
#2387FB
oklch(63.1% 0.194 255.7)
- #B77C00
#B77C00
oklch(63.1% 0.133 75.6)
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 #2387FB, closest first.
No curated palette has a color within ΔE 0.04 of #2387FB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dodger Blue #1E90FF ΔE 0.023
- Clear Blue #247AFD ΔE 0.033
- Dark Sky Blue #448EE4 ΔE 0.046
- Chefchaouen Blue #4895EF ΔE 0.052
- Soft Blue #6488EA ΔE 0.056
- Cornflower #6A79F7 ΔE 0.063
- Cerulean Blue #056EEE ΔE 0.068
- Cornflower Blue #6495ED ΔE 0.070
Use #2387FB 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.