#377F87
Closest named color: Teal (#008080). oklch(55.4% 0.072 205.2), rgb(55, 127, 135).
Aa
White text reads best on this color (4.61:1).
About this color
#377F87 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 55%, its chroma 0.072 and its hue 205°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.028 away. White text reads best on it, at 4.61:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.54:1 |
| White text | 4.61:1 |
Values
| HEX | #377F87 |
| RGB | rgb(55, 127, 135) |
| HSL | hsl(186, 42%, 37%) |
| OKLCH | oklch(55.4% 0.072 205.2) |
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 #377F87 | 4.61:1 | AA | Lc -77.3 | Fine for body text |
| Black text on #377F87 | 4.54:1 | AA | Lc 32.2 | Non-text elements, placeholder text |
| #377F87 text on white | 4.61:1 | AA | Lc 71.9 | Content text, not long reading |
| #377F87 text on black | 4.54:1 | AA | Lc -29.8 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200
#CCDDDF
oklch(88.5% 0.018 205.3)
-
Step 300
300
#A9C7CB
oklch(80.9% 0.033 206.4)
-
Step 400
400
#7AAAB0
oklch(70.6% 0.052 205.7)
-
Step 500
500
#56959D
oklch(63.1% 0.066 206.1)
-
Step 600
600 (this color)
#377F87
oklch(55.4% 0.072 205.2)
-
Step 700
700
#296C73
oklch(49.2% 0.067 204.8)
-
Step 800
800
#24585E
oklch(42.8% 0.056 205.6)
-
Step 900
900
#23484D
oklch(37.6% 0.043 206.9)
-
Step 950
950
#152A2D
oklch(26.9% 0.027 207.4)
#377F87 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) | #767A88 | 0.072 |
| Deuteranopia (no green cones) | #697187 | 0.065 |
| Tritanopia (no blue cones) | #008481 | 0.030 |
| Achromatopsia (no color) | #757575 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #377F87
#377F87
oklch(55.4% 0.072 205.2)
- #99625D
#99625D
oklch(55.4% 0.073 25.3)
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 #377F87, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.028
- Ocean #017B92 ΔE 0.034
- Deep Aqua #08787F ΔE 0.036
- Dark Cyan #008B8B ΔE 0.038
- Bluegreen #017A79 ΔE 0.038
- Teal Blue #01889F ΔE 0.040
- Cerulean #457B9D ΔE 0.043
- Metallic Blue #4F738E ΔE 0.045
Use #377F87 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.