#375969
Closest named color: YInMn Blue (#415A77). oklch(44.5% 0.047 229.4), rgb(55, 89, 105).
Aa
White text reads best on this color (7.51:1).
About this color
#375969 is a dark, muted teal or cyan. In OKLCH its lightness is 44%, its chroma 0.047 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.027 away. White text reads best on it, at 7.51:1.
| Hue family | Teals and cyans |
| Lightness | dark (44%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.79:1 |
| White text | 7.51:1 |
Values
| HEX | #375969 |
| RGB | rgb(55, 89, 105) |
| HSL | hsl(199, 31%, 31%) |
| OKLCH | oklch(44.5% 0.047 229.4) |
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 #375969 | 7.51:1 | AAA | Lc -90.9 | Preferred for body text |
| Black text on #375969 | 2.79:1 | Fails | Lc 18.0 | Dividers and decoration only |
| #375969 text on white | 7.51:1 | AAA | Lc 86.0 | Fine for body text |
| #375969 text on black | 2.79:1 | Fails | Lc -16.0 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBEE
oklch(93.6% 0.008 228.9)
-
Step 200
200
#CFDBE1
oklch(88.4% 0.015 229)
-
Step 300
300
#AFC4CF
oklch(80.8% 0.028 230.4)
-
Step 400
400
#85A6B7
oklch(70.6% 0.044 230.5)
-
Step 500
500
#6590A5
oklch(63% 0.057 229.8)
-
Step 600
600
#4B7A90
oklch(55.5% 0.062 229.4)
-
Step 700
700
#3C677B
oklch(49.1% 0.058 229.5)
-
Step 800
800 (this color)
#375969
oklch(44.5% 0.047 229.4)
-
Step 900
900
#2C4551
oklch(37.5% 0.037 229.6)
-
Step 950
950
#1A2930
oklch(27.1% 0.024 228.7)
#375969 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) | #51586A | 0.035 |
| Deuteranopia (no green cones) | #4A5269 | 0.031 |
| Tritanopia (no blue cones) | #215E5E | 0.035 |
| Achromatopsia (no color) | #555555 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #375969
#375969
oklch(44.5% 0.047 229.4)
- #6A4C3C
#6A4C3C
oklch(44.5% 0.048 49.1)
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 #375969, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.027
- Petrol #005F6A ΔE 0.036
- Dusty Grape #545775 ΔE 0.046
- Dark Slate Gray #2F4F4F ΔE 0.049
- Deep Teal #00555A ΔE 0.050
- Light Navy Blue #2E5A88 ΔE 0.051
- Slate #516572 ΔE 0.053
- Dark Aqua #05696B ΔE 0.055
Use #375969 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.