#2376AB
Closest named color: Nice Blue (#107AB0). oklch(54.3% 0.113 241.9), rgb(35, 118, 171).
Aa
White text reads best on this color (4.94:1).
About this color
#2376AB is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.113 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Nice Blue (#107AB0), ΔE 0.013 away. White text reads best on it, at 4.94:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Nice Blue (#107AB0) |
| Black text | 4.25:1 |
| White text | 4.94:1 |
Values
| HEX | #2376AB |
| RGB | rgb(35, 118, 171) |
| HSL | hsl(203, 66%, 40%) |
| OKLCH | oklch(54.3% 0.113 241.9) |
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 #2376AB | 4.94:1 | AA | Lc -79.2 | Fine for body text |
| Black text on #2376AB | 4.25:1 | AA large text | Lc 30.2 | Non-text elements, placeholder text |
| #2376AB text on white | 4.94:1 | AA | Lc 73.8 | Content text, not long reading |
| #2376AB text on black | 4.25:1 | AA large text | Lc -27.9 | Dividers and decoration only |
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 600.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200
#CADCEB
oklch(88.6% 0.028 243.1)
-
Step 300
300
#A4C5DF
oklch(80.8% 0.051 242)
-
Step 400
400
#72A7CF
oklch(70.7% 0.081 241.9)
-
Step 500
500
#4A91C3
oklch(63.2% 0.104 241.7)
-
Step 600
600 (this color)
#2376AB
oklch(54.3% 0.113 241.9)
-
Step 700
700
#196797
oklch(49.2% 0.105 241.6)
-
Step 800
800
#19547A
oklch(42.8% 0.086 241.6)
-
Step 900
900
#1C4562
oklch(37.6% 0.068 242.4)
-
Step 950
950
#11293A
oklch(27% 0.044 241.7)
#2376AB 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) | #5D77AD | 0.054 |
| Deuteranopia (no green cones) | #4A6BAA | 0.041 |
| Tritanopia (no blue cones) | #008389 | 0.076 |
| Achromatopsia (no color) | #707070 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2376AB
#2376AB
oklch(54.3% 0.113 241.9)
- #9D5E1B
#9D5E1B
oklch(54.2% 0.113 61.9)
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 #2376AB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Nice Blue #107AB0 ΔE 0.013
- Flat Blue #3C73A8 ΔE 0.018
- Muted Blue #3B719F ΔE 0.024
- Ocean Blue #03719C ΔE 0.030
- Windows Blue #3778BF ΔE 0.036
- Dull Blue #49759C ΔE 0.036
- French Blue #436BAD ΔE 0.038
- Sea Blue #047495 ΔE 0.038
Use #2376AB 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.