#276E7B
Closest named color: Deep Turquoise (#017374). oklch(50% 0.072 211.9), rgb(39, 110, 123).
Aa
White text reads best on this color (5.82:1).
About this color
#276E7B is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 50%, its chroma 0.072 and its hue 212°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Turquoise (#017374), ΔE 0.026 away. White text reads best on it, at 5.82:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Deep Turquoise (#017374) |
| Black text | 3.60:1 |
| White text | 5.82:1 |
Values
| HEX | #276E7B |
| RGB | rgb(39, 110, 123) |
| HSL | hsl(189, 52%, 32%) |
| OKLCH | oklch(50% 0.072 211.9) |
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 #276E7B | 5.82:1 | AA | Lc -84.2 | Fine for body text |
| Black text on #276E7B | 3.60:1 | AA large text | Lc 25.2 | Dividers and decoration only |
| #276E7B text on white | 5.82:1 | AA | Lc 78.9 | Fine for body text |
| #276E7B text on black | 3.60:1 | AA large text | Lc -22.9 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECEE
oklch(93.7% 0.01 212.5)
-
Step 200
200
#CBDDE0
oklch(88.5% 0.02 208.8)
-
Step 300
300
#A8C7CE
oklch(80.9% 0.035 212.9)
-
Step 400
400
#78AAB5
oklch(70.7% 0.055 212.8)
-
Step 500
500
#5295A2
oklch(63.1% 0.071 211.6)
-
Step 600
600
#327F8E
oklch(55.5% 0.078 212.7)
-
Step 700
700 (this color)
#276E7B
oklch(50% 0.072 211.9)
-
Step 800
800
#205862
oklch(42.8% 0.06 211.3)
-
Step 900
900
#204850
oklch(37.6% 0.047 212.4)
-
Step 950
950
#142A2F
oklch(26.9% 0.029 214)
#276E7B 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) | #646A7C | 0.067 |
| Deuteranopia (no green cones) | #58617B | 0.061 |
| Tritanopia (no blue cones) | #007372 | 0.029 |
| Achromatopsia (no color) | #656565 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #276E7B
#276E7B
oklch(50% 0.072 211.9)
- #875349
#875349
oklch(49.9% 0.072 31.5)
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 #276E7B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Turquoise #017374 ΔE 0.026
- Dark Aquamarine #017371 ΔE 0.030
- Deep Aqua #08787F ΔE 0.030
- Dark Aqua #05696B ΔE 0.034
- Bluegreen #017A79 ΔE 0.039
- Sea Blue #047495 ΔE 0.041
- Ocean #017B92 ΔE 0.045
- Slate #516572 ΔE 0.045
Use #276E7B 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.