#2476B8
Closest named color: Windows Blue (#3778BF). oklch(55% 0.128 247.6), rgb(36, 118, 184).
Aa
White text reads best on this color (4.81:1).
About this color
#2476B8 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 55%, its chroma 0.128 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Windows Blue (#3778BF), ΔE 0.019 away. White text reads best on it, at 4.81:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.128) |
| Temperature | cool |
| Nearest name | Windows Blue (#3778BF) |
| Black text | 4.35:1 |
| White text | 4.81:1 |
Values
| HEX | #2476B8 |
| RGB | rgb(36, 118, 184) |
| HSL | hsl(207, 67%, 43%) |
| OKLCH | oklch(55% 0.128 247.6) |
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 #2476B8 | 4.81:1 | AA | Lc -78.5 | Fine for body text |
| Black text on #2476B8 | 4.35:1 | AA large text | Lc 31.1 | Non-text elements, placeholder text |
| #2476B8 text on white | 4.81:1 | AA | Lc 73.0 | Content text, not long reading |
| #2476B8 text on black | 4.35:1 | AA large text | Lc -28.7 | 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 600.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C9DCEE
oklch(88.6% 0.032 246.7)
-
Step 300
300
#A4C5E5
oklch(81% 0.058 247.7)
-
Step 400
400
#71A6D7
oklch(70.7% 0.091 247.3)
-
Step 500
500
#488FCD
oklch(63.2% 0.118 247.3)
-
Step 600
600 (this color)
#2476B8
oklch(55% 0.128 247.6)
-
Step 700
700
#1764A0
oklch(49% 0.119 247.7)
-
Step 800
800
#175282
oklch(42.7% 0.099 247.7)
-
Step 900
900
#1B4468
oklch(37.6% 0.077 248)
-
Step 950
950
#11283D
oklch(26.9% 0.049 248.1)
#2476B8 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) | #5779BB | 0.047 |
| Deuteranopia (no green cones) | #416CB7 | 0.032 |
| Tritanopia (no blue cones) | #00868E | 0.093 |
| Achromatopsia (no color) | #727272 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2476B8
#2476B8
oklch(55% 0.128 247.6)
- #9F6100
#9F6100
oklch(54.9% 0.121 67.4)
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 #2476B8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Windows Blue #3778BF ΔE 0.019
- Nice Blue #107AB0 ΔE 0.020
- Flat Blue #3C73A8 ΔE 0.028
- Mid Blue #276AB3 ΔE 0.033
- French Blue #436BAD ΔE 0.036
- Muted Blue #3B719F ΔE 0.040
- Steel Blue #4682B4 ΔE 0.048
- Ocean Blue #03719C ΔE 0.048
Use #2476B8 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.