#276EAA
Closest named color: Mid Blue (#276AB3). oklch(52.4% 0.118 248), rgb(39, 110, 170).
Aa
White text reads best on this color (5.38:1).
About this color
#276EAA is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.118 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.020 away. White text reads best on it, at 5.38:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.89:1 |
| White text | 5.38:1 |
Values
| HEX | #276EAA |
| RGB | rgb(39, 110, 170) |
| HSL | hsl(207, 63%, 41%) |
| OKLCH | oklch(52.4% 0.118 248) |
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 #276EAA | 5.38:1 | AA | Lc -81.8 | Fine for body text |
| Black text on #276EAA | 3.89:1 | AA large text | Lc 27.6 | Dividers and decoration only |
| #276EAA text on white | 5.38:1 | AA | Lc 76.5 | Fine for body text |
| #276EAA text on black | 3.89:1 | AA large text | Lc -25.2 | 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 600.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF4
oklch(93.6% 0.016 248)
-
Step 200
200
#CBDBEC
oklch(88.5% 0.029 249.8)
-
Step 300
300
#A6C4E2
oklch(80.8% 0.054 248.5)
-
Step 400
400
#76A5D3
oklch(70.6% 0.085 248.6)
-
Step 500
500
#508EC8
oklch(63% 0.109 248.5)
-
Step 600
600 (this color)
#276EAA
oklch(52.4% 0.118 248)
-
Step 700
700
#24649B
oklch(49% 0.109 248.3)
-
Step 800
800
#20527E
oklch(42.7% 0.091 248.3)
-
Step 900
900
#204465
oklch(37.7% 0.07 248.4)
-
Step 950
950
#13283B
oklch(26.9% 0.045 247.5)
#276EAA 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) | #5271AD | 0.043 |
| Deuteranopia (no green cones) | #3F65A9 | 0.029 |
| Tritanopia (no blue cones) | #007C84 | 0.085 |
| Achromatopsia (no color) | #6A6A6A | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #276EAA
#276EAA
oklch(52.4% 0.118 248)
- #955B00
#955B00
oklch(52.4% 0.115 67.7)
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 #276EAA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.020
- Flat Blue #3C73A8 ΔE 0.024
- French Blue #436BAD ΔE 0.025
- Muted Blue #3B719F ΔE 0.026
- Ocean Blue #03719C ΔE 0.030
- Nice Blue #107AB0 ΔE 0.033
- Peacock Blue #016795 ΔE 0.043
- Windows Blue #3778BF ΔE 0.044
Use #276EAA 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.