#3C4076
Closest named color: Dark Slate Blue (#483D8B). oklch(39.6% 0.09 278.2), rgb(60, 64, 118).
Aa
White text reads best on this color (9.60:1).
About this color
#3C4076 is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.090 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.042 away. White text reads best on it, at 9.60:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.18:1 |
| White text | 9.60:1 |
Values
| HEX | #3C4076 |
| RGB | rgb(60, 64, 118) |
| HSL | hsl(236, 33%, 35%) |
| OKLCH | oklch(39.6% 0.09 278.2) |
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 #3C4076 | 9.60:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #3C4076 | 2.18:1 | Fails | Lc 11.8 | Not readable |
| #3C4076 text on white | 9.60:1 | AAA | Lc 92.1 | Preferred for body text |
| #3C4076 text on black | 2.18:1 | Fails | Lc -10.3 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E6E9F7
oklch(93.6% 0.019 276.3)
-
Step 200
200
#D3D7F2
oklch(88.4% 0.037 278.9)
-
Step 300
300
#B6BDED
oklch(80.9% 0.068 278.3)
-
Step 400
400
#9199E4
oklch(70.6% 0.11 278.5)
-
Step 500
500
#777FDC
oklch(63.2% 0.139 277.9)
-
Step 600
600
#6166C9
oklch(55.6% 0.151 278.1)
-
Step 700
700
#5154AE
oklch(49.1% 0.141 278.4)
-
Step 800
800
#42458D
oklch(42.6% 0.117 278.4)
-
Step 900
900 (this color)
#3C4076
oklch(39.6% 0.09 278.2)
-
Step 950
950
#202342
oklch(27% 0.057 277.6)
#3C4076 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) | #2B4778 | 0.028 |
| Deuteranopia (no green cones) | #264375 | 0.029 |
| Tritanopia (no blue cones) | #274B55 | 0.079 |
| Achromatopsia (no color) | #454545 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C4076
#3C4076
oklch(39.6% 0.09 278.2)
- #524600
#524600
oklch(39.5% 0.082 98)
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 #3C4076, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.042
- Twilight Blue #0A437A ΔE 0.049
- Cobalt #1E488F ΔE 0.053
- Blueberry #464196 ΔE 0.056
- Light Navy #155084 ΔE 0.057
- Dark Grey Blue #29465B ΔE 0.060
- Dusk Blue #26538D ΔE 0.062
- Twilight #4E518B ΔE 0.064
Use #3C4076 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.