#2C4676
Closest named color: Twilight Blue (#0A437A). oklch(39.8% 0.088 261.7), rgb(44, 70, 118).
Aa
White text reads best on this color (9.35:1).
About this color
#2C4676 is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.088 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.031 away. White text reads best on it, at 9.35:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.24:1 |
| White text | 9.35:1 |
Values
| HEX | #2C4676 |
| RGB | rgb(44, 70, 118) |
| HSL | hsl(219, 46%, 32%) |
| OKLCH | oklch(39.8% 0.088 261.7) |
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 #2C4676 | 9.35:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #2C4676 | 2.24:1 | Fails | Lc 12.5 | Not readable |
| #2C4676 text on white | 9.35:1 | AAA | Lc 91.4 | Preferred for body text |
| #2C4676 text on black | 2.24:1 | Fails | Lc -10.9 | Not readable |
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 900.
-
Step 50
50
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E3EAF7
oklch(93.6% 0.019 263)
-
Step 200
200
#CCDAF2
oklch(88.5% 0.036 261.3)
-
Step 300
300
#A9C1EC
oklch(80.8% 0.067 262)
-
Step 400
400
#7CA1E2
oklch(70.8% 0.104 261.3)
-
Step 500
500
#5B88DA
oklch(63.2% 0.134 261.6)
-
Step 600
600
#4170C8
oklch(55.7% 0.146 261.7)
-
Step 700
700
#335DAD
oklch(49.1% 0.136 261.9)
-
Step 800
800
#2B4C8C
oklch(42.7% 0.113 262.2)
-
Step 900
900 (this color)
#2C4676
oklch(39.8% 0.088 261.7)
-
Step 950
950
#172641
oklch(27% 0.055 261.4)
#2C4676 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) | #314A78 | 0.014 |
| Deuteranopia (no green cones) | #274375 | 0.011 |
| Tritanopia (no blue cones) | #005158 | 0.076 |
| Achromatopsia (no color) | #474747 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2C4676
#2C4676
oklch(39.8% 0.088 261.7)
- #5D4200
#5D4200
oklch(39.8% 0.082 82.1)
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 #2C4676, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.031
- Light Navy #155084 ΔE 0.036
- Cobalt #1E488F ΔE 0.042
- Deep Sea Blue #015482 ΔE 0.046
- Dark Grey Blue #29465B ΔE 0.047
- Dusk Blue #26538D ΔE 0.049
- Dark Slate Blue #483D8B ΔE 0.060
- Charcoal #264653 ΔE 0.062
Use #2C4676 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.