#276D87
Closest named color: Sea Blue (#047495). oklch(50.3% 0.08 226.5), rgb(39, 109, 135).
Aa
White text reads best on this color (5.79:1).
About this color
#276D87 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 50%, its chroma 0.080 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Sea Blue (#047495), ΔE 0.027 away. White text reads best on it, at 5.79:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Sea Blue (#047495) |
| Black text | 3.62:1 |
| White text | 5.79:1 |
Values
| HEX | #276D87 |
| RGB | rgb(39, 109, 135) |
| HSL | hsl(196, 55%, 34%) |
| OKLCH | oklch(50.3% 0.08 226.5) |
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 #276D87 | 5.79:1 | AA | Lc -84.0 | Fine for body text |
| Black text on #276D87 | 3.62:1 | AA large text | Lc 25.3 | Dividers and decoration only |
| #276D87 text on white | 5.79:1 | AA | Lc 78.7 | Fine for body text |
| #276D87 text on black | 3.62:1 | AA large text | Lc -23.1 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#CBDCE4
oklch(88.4% 0.021 227.6)
-
Step 300
300
#A7C6D4
oklch(80.8% 0.039 226.9)
-
Step 400
400
#77A9BE
oklch(70.7% 0.061 226)
-
Step 500
500
#5193AE
oklch(63% 0.079 226.7)
-
Step 600
600
#317D9A
oklch(55.5% 0.086 226.8)
-
Step 700
700 (this color)
#276D87
oklch(50.3% 0.08 226.5)
-
Step 800
800
#1F566B
oklch(42.7% 0.066 226.9)
-
Step 900
900
#204757
oklch(37.7% 0.052 227.4)
-
Step 950
950
#142A33
oklch(27.1% 0.033 226.5)
#276D87 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) | #5F6B88 | 0.060 |
| Deuteranopia (no green cones) | #526187 | 0.053 |
| Tritanopia (no blue cones) | #007575 | 0.047 |
| Achromatopsia (no color) | #656565 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #276D87
#276D87
oklch(50.3% 0.08 226.5)
- #89553B
#89553B
oklch(50.2% 0.08 46.9)
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 #276D87, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Blue #047495 ΔE 0.027
- Ocean Blue #03719C ΔE 0.033
- Denim #3B638C ΔE 0.036
- Peacock Blue #016795 ΔE 0.037
- Deep Aqua #08787F ΔE 0.041
- Ocean #017B92 ΔE 0.041
- Muted Blue #3B719F ΔE 0.044
- Deep Turquoise #017374 ΔE 0.044
Use #276D87 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.