#254F9A
Closest named color: Dusk Blue (#26538D). oklch(44.1% 0.131 260.9), rgb(37, 79, 154).
Aa
White text reads best on this color (7.88:1).
About this color
#254F9A is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.131 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.026 away. White text reads best on it, at 7.88:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.131) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.66:1 |
| White text | 7.88:1 |
Values
| HEX | #254F9A |
| RGB | rgb(37, 79, 154) |
| HSL | hsl(218, 61%, 37%) |
| OKLCH | oklch(44.1% 0.131 260.9) |
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 #254F9A | 7.88:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #254F9A | 2.66:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #254F9A text on white | 7.88:1 | AAA | Lc 87.0 | Fine for body text |
| #254F9A text on black | 2.66:1 | Fails | Lc -15.1 | 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 800.
-
Step 50
50
#F2F6FD
oklch(97.2% 0.01 261.8)
-
Step 100
100
#E2EAF9
oklch(93.5% 0.022 263.2)
-
Step 200
200
#C9DAF6
oklch(88.4% 0.043 260.4)
-
Step 300
300
#A5C2F3
oklch(81% 0.077 260.8)
-
Step 400
400
#74A0ED
oklch(70.6% 0.123 261.1)
-
Step 500
500
#5086E7
oklch(63% 0.157 261.2)
-
Step 600
600
#346ED5
oklch(55.6% 0.17 260.9)
-
Step 700
700
#275BB9
oklch(49.1% 0.159 261.1)
-
Step 800
800 (this color)
#254F9A
oklch(44.1% 0.131 260.9)
-
Step 900
900
#203F77
oklch(37.6% 0.103 261.2)
-
Step 950
950
#132646
oklch(27.1% 0.065 260.2)
#254F9A 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) | #25579D | 0.022 |
| Deuteranopia (no green cones) | #014C98 | 0.023 |
| Tritanopia (no blue cones) | #00616D | 0.104 |
| Achromatopsia (no color) | #515151 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #254F9A
#254F9A
oklch(44.1% 0.131 260.9)
- #6C4C00
#6C4C00
oklch(44% 0.091 80.8)
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 #254F9A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.026
- Cobalt #1E488F ΔE 0.027
- Light Navy #155084 ΔE 0.040
- Denim Blue #3B5B92 ΔE 0.047
- Light Navy Blue #2E5A88 ΔE 0.049
- Deep Sea Blue #015482 ΔE 0.049
- Blueberry #464196 ΔE 0.050
- Twilight #4E518B ΔE 0.056
Use #254F9A 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.