#277987
Closest named color: Ocean (#017B92). oklch(53.4% 0.079 211.2), rgb(39, 121, 135).
Aa
White text reads best on this color (5.03:1).
About this color
#277987 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 53%, its chroma 0.079 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.019 away. White text reads best on it, at 5.03:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.17:1 |
| White text | 5.03:1 |
Values
| HEX | #277987 |
| RGB | rgb(39, 121, 135) |
| HSL | hsl(189, 55%, 34%) |
| OKLCH | oklch(53.4% 0.079 211.2) |
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 #277987 | 5.03:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #277987 | 4.17:1 | AA large text | Lc 29.6 | Dividers and decoration only |
| #277987 text on white | 5.03:1 | AA | Lc 74.5 | Content text, not long reading |
| #277987 text on black | 4.17:1 | AA large text | Lc -27.2 | 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
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CBDDE1
oklch(88.5% 0.02 212.6)
-
Step 300
300
#A7C7CE
oklch(80.8% 0.036 212.4)
-
Step 400
400
#76ABB5
oklch(70.8% 0.058 210.6)
-
Step 500
500
#5096A3
oklch(63.2% 0.073 211)
-
Step 600
600 (this color)
#277987
oklch(53.4% 0.079 211.2)
-
Step 700
700
#206C79
oklch(49.2% 0.074 211.4)
-
Step 800
800
#1E5862
oklch(42.7% 0.061 211)
-
Step 900
900
#1F4850
oklch(37.6% 0.048 212.1)
-
Step 950
950
#132A2F
oklch(26.9% 0.03 213.4)
#277987 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 | 0.075 |
| Deuteranopia (no green cones) | #606B87 | 0.067 |
| Tritanopia (no blue cones) | #007F7D | 0.031 |
| Achromatopsia (no color) | #6F6F6F | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #277987
#277987
oklch(53.4% 0.079 211.2)
- #955B50
#955B50
oklch(53.3% 0.079 31.4)
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 #277987, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.019
- Deep Aqua #08787F ΔE 0.019
- Bluegreen #017A79 ΔE 0.029
- Teal #008080 ΔE 0.029
- Sea Blue #047495 ΔE 0.033
- Deep Turquoise #017374 ΔE 0.038
- Dark Aquamarine #017371 ΔE 0.042
- Metallic Blue #4F738E ΔE 0.042
Use #277987 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.