#377987
Closest named color: Ocean (#017B92). oklch(53.9% 0.07 213.6), rgb(55, 121, 135).
Aa
White text reads best on this color (4.94:1).
About this color
#377987 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 54%, its chroma 0.070 and its hue 214°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.026 away. White text reads best on it, at 4.94:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.24:1 |
| White text | 4.94:1 |
Values
| HEX | #377987 |
| RGB | rgb(55, 121, 135) |
| HSL | hsl(191, 42%, 37%) |
| OKLCH | oklch(53.9% 0.07 213.6) |
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 #377987 | 4.94:1 | AA | Lc -79.5 | Fine for body text |
| Black text on #377987 | 4.24:1 | AA large text | Lc 30.0 | Non-text elements, placeholder text |
| #377987 text on white | 4.94:1 | AA | Lc 74.0 | Content text, not long reading |
| #377987 text on black | 4.24:1 | AA large text | Lc -27.7 | 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
#CDDCE0
oklch(88.4% 0.017 215.5)
-
Step 300
300
#AAC6CD
oklch(80.8% 0.032 214.5)
-
Step 400
400
#7CA9B4
oklch(70.6% 0.051 214.5)
-
Step 500
500
#5994A1
oklch(63.1% 0.064 213.3)
-
Step 600
600 (this color)
#377987
oklch(53.9% 0.07 213.6)
-
Step 700
700
#2E6A77
oklch(49% 0.065 214)
-
Step 800
800
#275761
oklch(42.8% 0.054 213.2)
-
Step 900
900
#25474F
oklch(37.6% 0.042 214.7)
-
Step 950
950
#162A2E
oklch(27% 0.027 211.7)
#377987 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) | #6E7588 | 0.063 |
| Deuteranopia (no green cones) | #626C87 | 0.058 |
| Tritanopia (no blue cones) | #007F7D | 0.037 |
| Achromatopsia (no color) | #707070 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #377987
#377987
oklch(53.9% 0.07 213.6)
- #925F54
#925F54
oklch(53.8% 0.07 32.7)
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 #377987, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.026
- Deep Aqua #08787F ΔE 0.029
- Metallic Blue #4F738E ΔE 0.033
- Teal #008080 ΔE 0.035
- Bluegreen #017A79 ΔE 0.037
- Cerulean #457B9D ΔE 0.038
- Sea Blue #047495 ΔE 0.039
- Stormy Blue #507B9C ΔE 0.044
Use #377987 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.