#276A8A
Closest named color: Denim (#3B638C). oklch(49.7% 0.084 232.9), rgb(39, 106, 138).
Aa
White text reads best on this color (5.97:1).
About this color
#276A8A is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.084 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.026 away. White text reads best on it, at 5.97:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.51:1 |
| White text | 5.97:1 |
Values
| HEX | #276A8A |
| RGB | rgb(39, 106, 138) |
| HSL | hsl(199, 56%, 35%) |
| OKLCH | oklch(49.7% 0.084 232.9) |
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 #276A8A | 5.97:1 | AA | Lc -84.8 | Fine for body text |
| Black text on #276A8A | 3.51:1 | AA large text | Lc 24.5 | Dividers and decoration only |
| #276A8A text on white | 5.97:1 | AA | Lc 79.6 | Fine for body text |
| #276A8A text on black | 3.51:1 | AA large text | Lc -22.2 | 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 700.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CBDCE6
oklch(88.5% 0.023 233.4)
-
Step 300
300
#A8C6D7
oklch(81% 0.04 232.8)
-
Step 400
400
#78A8C3
oklch(70.7% 0.065 233.5)
-
Step 500
500
#5292B3
oklch(63% 0.082 232.6)
-
Step 600
600
#337C9F
oklch(55.6% 0.09 232.5)
-
Step 700
700 (this color)
#276A8A
oklch(49.7% 0.084 232.9)
-
Step 800
800
#21556F
oklch(42.7% 0.07 233.5)
-
Step 900
900
#21465A
oklch(37.6% 0.054 234.4)
-
Step 950
950
#142934
oklch(26.9% 0.034 232.8)
#276A8A 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) | #5A698C | 0.054 |
| Deuteranopia (no green cones) | #4D5F8A | 0.047 |
| Tritanopia (no blue cones) | #007375 | 0.053 |
| Achromatopsia (no color) | #636363 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #276A8A
#276A8A
oklch(49.7% 0.084 232.9)
- #875432
#875432
oklch(49.6% 0.083 53.3)
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 #276A8A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.026
- Peacock Blue #016795 ΔE 0.027
- Sea Blue #047495 ΔE 0.031
- Ocean Blue #03719C ΔE 0.031
- Muted Blue #3B719F ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.048
- Dusky Blue #475F94 ΔE 0.049
- Ocean #017B92 ΔE 0.049
Use #276A8A 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.