#276AA5
Closest named color: Mid Blue (#276AB3). oklch(51.1% 0.115 248.8), rgb(39, 106, 165).
Aa
White text reads best on this color (5.68:1).
About this color
#276AA5 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.115 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.022 away. White text reads best on it, at 5.68:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.69:1 |
| White text | 5.68:1 |
Values
| HEX | #276AA5 |
| RGB | rgb(39, 106, 165) |
| HSL | hsl(208, 62%, 40%) |
| OKLCH | oklch(51.1% 0.115 248.8) |
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 #276AA5 | 5.68:1 | AA | Lc -83.4 | Fine for body text |
| Black text on #276AA5 | 3.69:1 | AA large text | Lc 25.9 | Dividers and decoration only |
| #276AA5 text on white | 5.68:1 | AA | Lc 78.1 | Fine for body text |
| #276AA5 text on black | 3.69:1 | AA large text | Lc -23.7 | 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
#CADBED
oklch(88.4% 0.031 249.7)
-
Step 300
300
#A5C4E4
oklch(80.8% 0.056 249.4)
-
Step 400
400
#74A5D6
oklch(70.6% 0.089 249.2)
-
Step 500
500
#4E8ECB
oklch(63.1% 0.114 249)
-
Step 600
600
#2E77B8
oklch(55.5% 0.124 248.9)
-
Step 700
700 (this color)
#276AA5
oklch(51.1% 0.115 248.8)
-
Step 800
800
#1D5280
oklch(42.7% 0.094 248.4)
-
Step 900
900
#1E4467
oklch(37.7% 0.074 248.7)
-
Step 950
950
#13283C
oklch(27% 0.046 248.8)
#276AA5 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) | #4F6DA7 | 0.041 |
| Deuteranopia (no green cones) | #3C61A4 | 0.028 |
| Tritanopia (no blue cones) | #007880 | 0.084 |
| Achromatopsia (no color) | #676767 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #276AA5
#276AA5
oklch(51.1% 0.115 248.8)
- #8F5800
#8F5800
oklch(51% 0.112 68.5)
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 #276AA5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.022
- French Blue #436BAD ΔE 0.029
- Ocean Blue #03719C ΔE 0.030
- Muted Blue #3B719F ΔE 0.031
- Peacock Blue #016795 ΔE 0.033
- Flat Blue #3C73A8 ΔE 0.034
- Denim #3B638C ΔE 0.042
- Dusky Blue #475F94 ΔE 0.043
Use #276AA5 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.