#375168
Closest named color: YInMn Blue (#415A77). oklch(42.4% 0.05 246), rgb(55, 81, 104).
Aa
White text reads best on this color (8.26:1).
About this color
#375168 is a dark, muted blue. In OKLCH its lightness is 42%, its chroma 0.050 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.037 away. White text reads best on it, at 8.26:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.53:1 |
| White text | 8.26:1 |
Values
| HEX | #375168 |
| RGB | rgb(55, 81, 104) |
| HSL | hsl(208, 31%, 31%) |
| OKLCH | oklch(42.4% 0.05 246) |
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 #375168 | 8.26:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #375168 | 2.53:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #375168 text on white | 8.26:1 | AAA | Lc 88.5 | Fine for body text |
| #375168 text on black | 2.53:1 | Fails | Lc -13.7 | 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 800.
-
Step 50
50
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EAEF
oklch(93.5% 0.009 247.9)
-
Step 200
200
#D1DAE3
oklch(88.4% 0.016 248)
-
Step 300
300
#B2C3D3
oklch(80.9% 0.029 246.5)
-
Step 400
400
#89A4BC
oklch(70.6% 0.046 245.3)
-
Step 500
500
#6C8DAC
oklch(63% 0.06 247.2)
-
Step 600
600
#537797
oklch(55.5% 0.065 246.1)
-
Step 700
700
#446481
oklch(49.1% 0.06 246.7)
-
Step 800
800 (this color)
#375168
oklch(42.4% 0.05 246)
-
Step 900
900
#304455
oklch(37.7% 0.039 244.7)
-
Step 950
950
#1D2832
oklch(27.1% 0.024 246.3)
#375168 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) | #485169 | 0.023 |
| Deuteranopia (no green cones) | #414C68 | 0.019 |
| Tritanopia (no blue cones) | #235659 | 0.041 |
| Achromatopsia (no color) | #4E4E4E | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #375168
#375168
oklch(42.4% 0.05 246)
- #614930
#614930
oklch(42.5% 0.05 66.9)
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 #375168, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.037
- Dark Grey Blue #29465B ΔE 0.043
- Dark Slate Gray #2F4F4F ΔE 0.044
- Deep Teal #00555A ΔE 0.051
- Dusty Grape #545775 ΔE 0.051
- Charcoal #264653 ΔE 0.052
- Petrol #005F6A ΔE 0.052
- Deep Sea Blue #015482 ΔE 0.053
Use #375168 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.