#375F56
Closest named color: Dark Green Blue (#1F6357). oklch(45.3% 0.048 178), rgb(55, 95, 86).
Aa
White text reads best on this color (7.15:1).
About this color
#375F56 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.048 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.022 away. White text reads best on it, at 7.15:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.93:1 |
| White text | 7.15:1 |
Values
| HEX | #375F56 |
| RGB | rgb(55, 95, 86) |
| HSL | hsl(167, 27%, 29%) |
| OKLCH | oklch(45.3% 0.048 178) |
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 #375F56 | 7.15:1 | AAA | Lc -89.7 | Fine for body text |
| Black text on #375F56 | 2.93:1 | Fails | Lc 19.3 | Dividers and decoration only |
| #375F56 text on white | 7.15:1 | AAA | Lc 84.8 | Fine for body text |
| #375F56 text on black | 2.93:1 | Fails | Lc -17.2 | 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 800.
-
Step 50
50
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECEA
oklch(93.6% 0.009 179.6)
-
Step 200
200
#CFDDD9
oklch(88.6% 0.016 177)
-
Step 300
300
#AEC7C0
oklch(80.9% 0.029 176.9)
-
Step 400
400
#83AAA0
oklch(70.6% 0.045 177.5)
-
Step 500
500
#639589
oklch(63.1% 0.057 177.6)
-
Step 600
600
#487F73
oklch(55.5% 0.062 178.3)
-
Step 700
700
#396C61
oklch(49.2% 0.058 178.1)
-
Step 800
800 (this color)
#375F56
oklch(45.3% 0.048 178)
-
Step 900
900
#2B4841
oklch(37.6% 0.037 177.2)
-
Step 950
950
#1A2A26
oklch(26.9% 0.023 177.2)
#375F56 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) | #5C5B56 | 0.050 |
| Deuteranopia (no green cones) | #555657 | 0.047 |
| Tritanopia (no blue cones) | #29605C | 0.015 |
| Achromatopsia (no color) | #585858 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #375F56
#375F56
oklch(45.3% 0.048 178)
- #6C4B56
#6C4B56
oklch(45.2% 0.047 357.5)
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 #375F56, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.022
- Dark Aqua #05696B ΔE 0.042
- Petrol #005F6A ΔE 0.044
- Dark Slate Gray #2F4F4F ΔE 0.053
- Deep Teal #00555A ΔE 0.054
- Pine #2B5D34 ΔE 0.055
- Slate #516572 ΔE 0.059
- Spruce #0A5F38 ΔE 0.062
Use #375F56 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.