#375268
Closest named color: YInMn Blue (#415A77). oklch(42.7% 0.049 243.9), rgb(55, 82, 104).
Aa
White text reads best on this color (8.17:1).
About this color
#375268 is a dark, muted blue. In OKLCH its lightness is 43%, its chroma 0.049 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.035 away. White text reads best on it, at 8.17:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.56:1 |
| White text | 8.17:1 |
Values
| HEX | #375268 |
| RGB | rgb(55, 82, 104) |
| HSL | hsl(207, 31%, 31%) |
| OKLCH | oklch(42.7% 0.049 243.9) |
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 #375268 | 8.17:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #375268 | 2.56:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #375268 text on white | 8.17:1 | AAA | Lc 88.2 | Fine for body text |
| #375268 text on black | 2.56:1 | Fails | Lc -14.0 | 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
#E5EBEF
oklch(93.7% 0.008 236.6)
-
Step 200
200
#D1DBE3
oklch(88.6% 0.015 241.8)
-
Step 300
300
#B2C3D2
oklch(80.9% 0.028 244.8)
-
Step 400
400
#89A4BC
oklch(70.6% 0.046 245.3)
-
Step 500
500
#6B8EAB
oklch(63.1% 0.059 243.9)
-
Step 600
600
#527896
oklch(55.6% 0.064 243)
-
Step 700
700
#436580
oklch(49.2% 0.059 243.3)
-
Step 800
800 (this color)
#375268
oklch(42.7% 0.049 243.9)
-
Step 900
900
#304455
oklch(37.7% 0.039 244.7)
-
Step 950
950
#1C2832
oklch(27% 0.025 244)
#375268 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) | #495269 | 0.025 |
| Deuteranopia (no green cones) | #424D68 | 0.020 |
| Tritanopia (no blue cones) | #235759 | 0.041 |
| Achromatopsia (no color) | #4F4F4F | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #375268
#375268
oklch(42.7% 0.049 243.9)
- #624932
#624932
oklch(42.6% 0.049 63.5)
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 #375268, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.035
- Dark Slate Gray #2F4F4F ΔE 0.044
- Dark Grey Blue #29465B ΔE 0.046
- Petrol #005F6A ΔE 0.050
- Deep Teal #00555A ΔE 0.050
- Dusty Grape #545775 ΔE 0.050
- Light Navy Blue #2E5A88 ΔE 0.053
- Deep Sea Blue #015482 ΔE 0.053
Use #375268 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.