#375D52
Closest named color: Dark Green Blue (#1F6357). oklch(44.6% 0.047 173.7), rgb(55, 93, 82).
Aa
White text reads best on this color (7.36:1).
About this color
#375D52 is a dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.047 and its hue 174°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.025 away. White text reads best on it, at 7.36:1.
| Hue family | Teals and cyans |
| Lightness | dark (45%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.85:1 |
| White text | 7.36:1 |
Values
| HEX | #375D52 |
| RGB | rgb(55, 93, 82) |
| HSL | hsl(163, 26%, 29%) |
| OKLCH | oklch(44.6% 0.047 173.7) |
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 #375D52 | 7.36:1 | AAA | Lc -90.4 | Preferred for body text |
| Black text on #375D52 | 2.85:1 | Fails | Lc 18.5 | Dividers and decoration only |
| #375D52 text on white | 7.36:1 | AAA | Lc 85.5 | Fine for body text |
| #375D52 text on black | 2.85:1 | Fails | Lc -16.5 | 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
#E5ECE9
oklch(93.7% 0.008 168.7)
-
Step 200
200
#CFDDD8
oklch(88.6% 0.016 172.6)
-
Step 300
300
#AFC7BF
oklch(80.9% 0.028 173.5)
-
Step 400
400
#85AA9E
oklch(70.7% 0.044 173.2)
-
Step 500
500
#659587
oklch(63.1% 0.056 174.2)
-
Step 600
600
#4B7F70
oklch(55.5% 0.061 173.6)
-
Step 700
700
#3C6B5E
oklch(49% 0.056 174.1)
-
Step 800
800 (this color)
#375D52
oklch(44.6% 0.047 173.7)
-
Step 900
900
#2C4840
oklch(37.7% 0.037 174.3)
-
Step 950
950
#1A2A25
oklch(26.9% 0.023 173)
#375D52 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) | #5B5952 | 0.050 |
| Deuteranopia (no green cones) | #545453 | 0.047 |
| Tritanopia (no blue cones) | #2B5E5A | 0.015 |
| Achromatopsia (no color) | #565656 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #375D52
#375D52
oklch(44.6% 0.047 173.7)
- #6A4956
#6A4956
oklch(44.6% 0.049 353.9)
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 #375D52, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.025
- Petrol #005F6A ΔE 0.046
- Dark Slate Gray #2F4F4F ΔE 0.047
- Dark Aqua #05696B ΔE 0.048
- Pine #2B5D34 ΔE 0.050
- Deep Teal #00555A ΔE 0.051
- Dark Blue Green #005249 ΔE 0.058
- Spruce #0A5F38 ΔE 0.058
Use #375D52 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.