#276AA0
Closest named color: Ocean Blue (#03719C). oklch(50.9% 0.109 246.7), rgb(39, 106, 160).
Aa
White text reads best on this color (5.74:1).
About this color
#276AA0 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.109 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean Blue (#03719C), ΔE 0.025 away. White text reads best on it, at 5.74:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Ocean Blue (#03719C) |
| Black text | 3.65:1 |
| White text | 5.74:1 |
Values
| HEX | #276AA0 |
| RGB | rgb(39, 106, 160) |
| HSL | hsl(207, 61%, 39%) |
| OKLCH | oklch(50.9% 0.109 246.7) |
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 #276AA0 | 5.74:1 | AA | Lc -83.7 | Fine for body text |
| Black text on #276AA0 | 3.65:1 | AA large text | Lc 25.6 | Dividers and decoration only |
| #276AA0 text on white | 5.74:1 | AA | Lc 78.4 | Fine for body text |
| #276AA0 text on black | 3.65:1 | AA large text | Lc -23.4 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF4
oklch(93.6% 0.016 248)
-
Step 200
200
#CADBEC
oklch(88.4% 0.03 248.2)
-
Step 300
300
#A6C5E1
oklch(81% 0.052 245.8)
-
Step 400
400
#75A6D3
oklch(70.8% 0.084 247)
-
Step 500
500
#4E8FC7
oklch(63.1% 0.108 246.6)
-
Step 600
600
#2F78B3
oklch(55.5% 0.117 246.5)
-
Step 700
700 (this color)
#276AA0
oklch(50.9% 0.109 246.7)
-
Step 800
800
#1E527D
oklch(42.6% 0.09 247.1)
-
Step 900
900
#1F4565
oklch(37.9% 0.07 246.5)
-
Step 950
950
#13283B
oklch(26.9% 0.045 247.5)
#276AA0 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) | #516CA2 | 0.042 |
| Deuteranopia (no green cones) | #40619F | 0.031 |
| Tritanopia (no blue cones) | #00777D | 0.079 |
| Achromatopsia (no color) | #666666 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #276AA0
#276AA0
oklch(50.9% 0.109 246.7)
- #8E570A
#8E570A
oklch(50.8% 0.109 66.9)
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 #276AA0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Blue #03719C ΔE 0.025
- Peacock Blue #016795 ΔE 0.027
- Muted Blue #3B719F ΔE 0.029
- Mid Blue #276AB3 ΔE 0.031
- French Blue #436BAD ΔE 0.034
- Flat Blue #3C73A8 ΔE 0.035
- Denim #3B638C ΔE 0.035
- Sea Blue #047495 ΔE 0.040
Use #276AA0 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.