#375F68
Closest named color: Petrol (#005F6A). oklch(46% 0.047 213.7), rgb(55, 95, 104).
Aa
White text reads best on this color (7.00:1).
About this color
#375F68 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 46%, its chroma 0.047 and its hue 214°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.033 away. White text reads best on it, at 7.00:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.99:1 |
| White text | 7.00:1 |
Values
| HEX | #375F68 |
| RGB | rgb(55, 95, 104) |
| HSL | hsl(191, 31%, 31%) |
| OKLCH | oklch(46% 0.047 213.7) |
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 #375F68 | 7.00:1 | AAA | Lc -89.1 | Fine for body text |
| Black text on #375F68 | 2.99:1 | Fails | Lc 19.9 | Dividers and decoration only |
| #375F68 text on white | 7.00:1 | AAA | Lc 84.2 | Fine for body text |
| #375F68 text on black | 2.99:1 | Fails | Lc -17.8 | Dividers and decoration only |
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 700.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBEC
oklch(93.6% 0.007 208.8)
-
Step 200
200
#D0DBDE
oklch(88.4% 0.013 215.8)
-
Step 300
300
#B1C5CA
oklch(81% 0.023 214.4)
-
Step 400
400
#87A7AF
oklch(70.7% 0.037 214.6)
-
Step 500
500
#69919B
oklch(63.1% 0.046 214.9)
-
Step 600
600
#4F7B85
oklch(55.5% 0.051 213.6)
-
Step 700
700 (this color)
#375F68
oklch(46% 0.047 213.7)
-
Step 800
800
#35555C
oklch(42.8% 0.039 213)
-
Step 900
900
#2E464B
oklch(37.7% 0.031 212.1)
-
Step 950
950
#1B292C
oklch(27% 0.02 212.4)
#375F68 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) | #585C69 | 0.044 |
| Deuteranopia (no green cones) | #505768 | 0.038 |
| Tritanopia (no blue cones) | #206362 | 0.027 |
| Achromatopsia (no color) | #595959 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #375F68
#375F68
oklch(46% 0.047 213.7)
- #704E47
#704E47
oklch(45.9% 0.048 32)
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 #375F68, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.033
- YInMn Blue #415A77 ΔE 0.036
- Dark Aqua #05696B ΔE 0.039
- Dark Green Blue #1F6357 ΔE 0.042
- Slate #516572 ΔE 0.042
- Dusty Grape #545775 ΔE 0.053
- Deep Teal #00555A ΔE 0.057
- Denim #3B638C ΔE 0.059
Use #375F68 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.