#276FB6
Closest named color: Mid Blue (#276AB3). oklch(53.4% 0.132 251.5), rgb(39, 111, 182).
Aa
White text reads best on this color (5.20:1).
About this color
#276FB6 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.132 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.014 away. White text reads best on it, at 5.20:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.132) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 4.03:1 |
| White text | 5.20:1 |
Values
| HEX | #276FB6 |
| RGB | rgb(39, 111, 182) |
| HSL | hsl(210, 65%, 43%) |
| OKLCH | oklch(53.4% 0.132 251.5) |
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 #276FB6 | 5.20:1 | AA | Lc -80.8 | Fine for body text |
| Black text on #276FB6 | 4.03:1 | AA large text | Lc 28.7 | Dividers and decoration only |
| #276FB6 text on white | 5.20:1 | AA | Lc 75.4 | Fine for body text |
| #276FB6 text on black | 4.03:1 | AA large text | Lc -26.3 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#CADBEF
oklch(88.5% 0.033 252.5)
-
Step 300
300
#A5C4E6
oklch(80.9% 0.059 250.9)
-
Step 400
400
#74A5DA
oklch(70.8% 0.094 251.1)
-
Step 500
500
#4E8DD0
oklch(63.1% 0.121 251.6)
-
Step 600
600 (this color)
#276FB6
oklch(53.4% 0.132 251.5)
-
Step 700
700
#2163A3
oklch(49.2% 0.122 251.3)
-
Step 800
800
#1D5184
oklch(42.7% 0.101 251.1)
-
Step 900
900
#1E436A
oklch(37.6% 0.079 251.8)
-
Step 950
950
#13283E
oklch(27.1% 0.049 251.1)
#276FB6 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) | #4D74B9 | 0.039 |
| Deuteranopia (no green cones) | #3767B5 | 0.023 |
| Tritanopia (no blue cones) | #00808A | 0.098 |
| Achromatopsia (no color) | #6D6D6D | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #276FB6
#276FB6
oklch(53.4% 0.132 251.5)
- #956000
#956000
oklch(53.4% 0.114 72)
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 #276FB6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.014
- French Blue #436BAD ΔE 0.026
- Flat Blue #3C73A8 ΔE 0.031
- Windows Blue #3778BF ΔE 0.032
- Nice Blue #107AB0 ΔE 0.035
- Muted Blue #3B719F ΔE 0.040
- Ocean Blue #03719C ΔE 0.047
- Dull Blue #49759C ΔE 0.056
Use #276FB6 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.