#377D7A
Closest named color: Teal (#008080). oklch(54.4% 0.07 191.5), rgb(55, 125, 122).
Aa
White text reads best on this color (4.79:1).
About this color
#377D7A is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 54%, its chroma 0.070 and its hue 191°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.023 away. White text reads best on it, at 4.79:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.37:1 |
| White text | 4.79:1 |
Values
| HEX | #377D7A |
| RGB | rgb(55, 125, 122) |
| HSL | hsl(177, 39%, 35%) |
| OKLCH | oklch(54.4% 0.07 191.5) |
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 #377D7A | 4.79:1 | AA | Lc -78.5 | Fine for body text |
| Black text on #377D7A | 4.37:1 | AA large text | Lc 31.0 | Non-text elements, placeholder text |
| #377D7A text on white | 4.79:1 | AA | Lc 73.1 | Content text, not long reading |
| #377D7A text on black | 4.37:1 | AA large text | Lc -28.6 | 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 600.
-
Step 50
50
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200
#CDDDDC
oklch(88.5% 0.017 192.3)
-
Step 300
300
#AAC8C6
oklch(81% 0.032 191.6)
-
Step 400
400
#7CABA8
oklch(70.7% 0.05 191.1)
-
Step 500
500
#589693
oklch(63% 0.064 191.7)
-
Step 600
600 (this color)
#377D7A
oklch(54.4% 0.07 191.5)
-
Step 700
700
#2C6D6A
oklch(49.2% 0.066 191.1)
-
Step 800
800
#265856
oklch(42.6% 0.054 191.8)
-
Step 900
900
#244947
oklch(37.7% 0.043 190.9)
-
Step 950
950
#162B2A
oklch(27.1% 0.027 191.8)
#377D7A 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) | #76777A | 0.074 |
| Deuteranopia (no green cones) | #6B6F7B | 0.069 |
| Tritanopia (no blue cones) | #00807C | 0.023 |
| Achromatopsia (no color) | #727272 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #377D7A
#377D7A
oklch(54.4% 0.07 191.5)
- #945F65
#945F65
oklch(54.5% 0.07 12.2)
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 #377D7A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.023
- Bluegreen #017A79 ΔE 0.028
- Deep Aqua #08787F ΔE 0.031
- Dark Cyan #008B8B ΔE 0.043
- Deep Turquoise #017374 ΔE 0.044
- Ocean #017B92 ΔE 0.045
- Dark Aquamarine #017371 ΔE 0.045
- Metallic Blue #4F738E ΔE 0.056
Use #377D7A 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.