#375160
Closest named color: Dark Slate Gray (#2F4F4F). oklch(42% 0.04 234.3), rgb(55, 81, 96).
Aa
White text reads best on this color (8.37:1).
About this color
#375160 is a dark, muted blue. In OKLCH its lightness is 42%, its chroma 0.040 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.031 away. White text reads best on it, at 8.37:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.50:1 |
| White text | 8.37:1 |
Values
| HEX | #375160 |
| RGB | rgb(55, 81, 96) |
| HSL | hsl(202, 27%, 30%) |
| OKLCH | oklch(42% 0.04 234.3) |
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 #375160 | 8.37:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #375160 | 2.50:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #375160 text on white | 8.37:1 | AAA | Lc 88.8 | Fine for body text |
| #375160 text on black | 2.50:1 | Fails | Lc -13.4 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E6EBEE
oklch(93.7% 0.007 233.6)
-
Step 200
200
#D1DBE1
oklch(88.6% 0.014 233.8)
-
Step 300
300
#B3C3CE
oklch(80.8% 0.023 237.7)
-
Step 400
400
#8AA5B5
oklch(70.7% 0.038 234.1)
-
Step 500
500
#6D8FA3
oklch(63.2% 0.049 234.4)
-
Step 600
600
#55798E
oklch(55.7% 0.052 234.6)
-
Step 700
700
#456678
oklch(49.2% 0.048 232.9)
-
Step 800
800 (this color)
#375160
oklch(42% 0.04 234.3)
-
Step 900
900
#314550
oklch(37.8% 0.031 232.7)
-
Step 950
950
#1D282F
oklch(27% 0.02 236.4)
#375160 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) | #4A5061 | 0.027 |
| Deuteranopia (no green cones) | #444C60 | 0.022 |
| Tritanopia (no blue cones) | #275556 | 0.030 |
| Achromatopsia (no color) | #4E4E4E | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #375160
#375160
oklch(42% 0.04 234.3)
- #5F4738
#5F4738
oklch(41.9% 0.041 53.3)
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 #375160, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.031
- Dark Grey Blue #29465B ΔE 0.041
- Deep Teal #00555A ΔE 0.043
- YInMn Blue #415A77 ΔE 0.045
- Charcoal #264653 ΔE 0.046
- Petrol #005F6A ΔE 0.050
- Dark Teal #014D4E ΔE 0.057
- Dusty Grape #545775 ΔE 0.058
Use #375160 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.