#376D83
Closest named color: Sea Blue (#047495). oklch(50.7% 0.067 226.9), rgb(55, 109, 131).
Aa
White text reads best on this color (5.71:1).
About this color
#376D83 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 51%, its chroma 0.067 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Sea Blue (#047495), ΔE 0.035 away. White text reads best on it, at 5.71:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Sea Blue (#047495) |
| Black text | 3.67:1 |
| White text | 5.71:1 |
Values
| HEX | #376D83 |
| RGB | rgb(55, 109, 131) |
| HSL | hsl(197, 41%, 36%) |
| OKLCH | oklch(50.7% 0.067 226.9) |
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 #376D83 | 5.71:1 | AA | Lc -83.7 | Fine for body text |
| Black text on #376D83 | 3.67:1 | AA large text | Lc 25.7 | Dividers and decoration only |
| #376D83 text on white | 5.71:1 | AA | Lc 78.4 | Fine for body text |
| #376D83 text on black | 3.67:1 | AA large text | Lc -23.4 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CDDCE2
oklch(88.5% 0.018 223.6)
-
Step 300
300
#ACC5D1
oklch(80.9% 0.032 228.3)
-
Step 400
400
#7FA8BA
oklch(70.8% 0.052 226.7)
-
Step 500
500
#5C92A9
oklch(63.1% 0.067 226.9)
-
Step 600
600
#417C94
oklch(55.6% 0.072 226.8)
-
Step 700
700 (this color)
#376D83
oklch(50.7% 0.067 226.9)
-
Step 800
800
#2B5567
oklch(42.7% 0.056 228.1)
-
Step 900
900
#274653
oklch(37.6% 0.043 226.9)
-
Step 950
950
#172931
oklch(26.9% 0.028 227.9)
#376D83 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) | #616B84 | 0.050 |
| Deuteranopia (no green cones) | #566383 | 0.044 |
| Tritanopia (no blue cones) | #007374 | 0.045 |
| Achromatopsia (no color) | #666666 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #376D83
#376D83
oklch(50.7% 0.067 226.9)
- #855944
#855944
oklch(50.6% 0.067 46.3)
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 #376D83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Blue #047495 ΔE 0.035
- Metallic Blue #4F738E ΔE 0.037
- Denim #3B638C ΔE 0.037
- Slate #516572 ΔE 0.038
- Deep Aqua #08787F ΔE 0.041
- Ocean Blue #03719C ΔE 0.043
- Ocean #017B92 ΔE 0.044
- Deep Turquoise #017374 ΔE 0.045
Use #376D83 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.