#3C4077
Closest named color: Dark Slate Blue (#483D8B). oklch(39.6% 0.092 278.2), rgb(60, 64, 119).
Aa
White text reads best on this color (9.58:1).
About this color
#3C4077 is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.092 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.040 away. White text reads best on it, at 9.58:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.19:1 |
| White text | 9.58:1 |
Values
| HEX | #3C4077 |
| RGB | rgb(60, 64, 119) |
| HSL | hsl(236, 33%, 35%) |
| OKLCH | oklch(39.6% 0.092 278.2) |
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 #3C4077 | 9.58:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #3C4077 | 2.19:1 | Fails | Lc 11.9 | Not readable |
| #3C4077 text on white | 9.58:1 | AAA | Lc 92.1 | Preferred for body text |
| #3C4077 text on black | 2.19:1 | 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
#E6E9F8
oklch(93.6% 0.02 276.9)
-
Step 200
200
#D3D7F3
oklch(88.5% 0.039 279.1)
-
Step 300
300
#B6BDED
oklch(80.9% 0.068 278.3)
-
Step 400
400
#9199E5
oklch(70.7% 0.111 278.5)
-
Step 500
500
#777EDD
oklch(63% 0.142 278.3)
-
Step 600
600
#6166CA
oklch(55.6% 0.152 278.1)
-
Step 700
700
#5054AF
oklch(49.1% 0.142 277.9)
-
Step 800
800
#42458E
oklch(42.7% 0.118 278.4)
-
Step 900
900 (this color)
#3C4077
oklch(39.6% 0.092 278.2)
-
Step 950
950
#202342
oklch(27% 0.057 277.6)
#3C4077 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) | #2A4779 | 0.029 |
| Deuteranopia (no green cones) | #254376 | 0.030 |
| Tritanopia (no blue cones) | #264C55 | 0.082 |
| Achromatopsia (no color) | #454545 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C4077
#3C4077
oklch(39.6% 0.092 278.2)
- #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 #3C4077, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.040
- Twilight Blue #0A437A ΔE 0.049
- Cobalt #1E488F ΔE 0.052
- Blueberry #464196 ΔE 0.054
- Light Navy #155084 ΔE 0.056
- Dusk Blue #26538D ΔE 0.061
- Dark Grey Blue #29465B ΔE 0.062
- Twilight #4E518B ΔE 0.064
Use #3C4077 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.