#2567B1
Closest named color: Mid Blue (#276AB3). oklch(51.1% 0.135 254), rgb(37, 103, 177).
Aa
White text reads best on this color (5.74:1).
About this color
#2567B1 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.135 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.009 away. White text reads best on it, at 5.74:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.135) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.65:1 |
| White text | 5.74:1 |
Values
| HEX | #2567B1 |
| RGB | rgb(37, 103, 177) |
| HSL | hsl(212, 65%, 42%) |
| OKLCH | oklch(51.1% 0.135 254) |
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 #2567B1 | 5.74:1 | AA | Lc -83.6 | Fine for body text |
| Black text on #2567B1 | 3.65:1 | AA large text | Lc 25.7 | Dividers and decoration only |
| #2567B1 text on white | 5.74:1 | AA | Lc 78.4 | Fine for body text |
| #2567B1 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C9DBF1
oklch(88.5% 0.036 253.5)
-
Step 300
300
#A4C3EB
oklch(80.8% 0.066 254.9)
-
Step 400
400
#72A4E0
oklch(70.7% 0.103 253.6)
-
Step 500
500
#4B8CD8
oklch(63.2% 0.133 253.7)
-
Step 600
600
#2C74C5
oklch(55.6% 0.144 254)
-
Step 700
700 (this color)
#2567B1
oklch(51.1% 0.135 254)
-
Step 800
800
#1B4F8A
oklch(42.6% 0.112 254.2)
-
Step 900
900
#1D426E
oklch(37.6% 0.087 254.4)
-
Step 950
950
#122741
oklch(27% 0.056 254.8)
#2567B1 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) | #436DB4 | 0.033 |
| Deuteranopia (no green cones) | #2A60B0 | 0.019 |
| Tritanopia (no blue cones) | #007983 | 0.103 |
| Achromatopsia (no color) | #666666 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2567B1
#2567B1
oklch(51.1% 0.135 254)
- #8B5B00
#8B5B00
oklch(51.1% 0.109 73.6)
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 #2567B1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.009
- French Blue #436BAD ΔE 0.031
- Flat Blue #3C73A8 ΔE 0.046
- Muted Blue #3B719F ΔE 0.049
- Peacock Blue #016795 ΔE 0.049
- Ocean Blue #03719C ΔE 0.050
- Dusky Blue #475F94 ΔE 0.053
- Windows Blue #3778BF ΔE 0.054
Use #2567B1 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.