#254E8A
Closest named color: Dusk Blue (#26538D). oklch(42.7% 0.11 258.1), rgb(37, 78, 138).
Aa
White text reads best on this color (8.28:1).
About this color
#254E8A is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.110 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.015 away. White text reads best on it, at 8.28:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.53:1 |
| White text | 8.28:1 |
Values
| HEX | #254E8A |
| RGB | rgb(37, 78, 138) |
| HSL | hsl(216, 58%, 34%) |
| OKLCH | oklch(42.7% 0.11 258.1) |
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 #254E8A | 8.28:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #254E8A | 2.53:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #254E8A text on white | 8.28:1 | AAA | Lc 88.3 | Fine for body text |
| #254E8A text on black | 2.53:1 | Fails | Lc -13.9 | Not readable |
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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF7
oklch(93.7% 0.019 255.5)
-
Step 200
200
#CBDAF1
oklch(88.4% 0.036 258.9)
-
Step 300
300
#A7C2EB
oklch(80.8% 0.065 258.6)
-
Step 400
400
#78A2E0
oklch(70.7% 0.102 258)
-
Step 500
500
#558AD8
oklch(63.2% 0.131 258)
-
Step 600
600
#3972C5
oklch(55.6% 0.142 258)
-
Step 700
700
#2B5FAA
oklch(49% 0.132 257.9)
-
Step 800
800 (this color)
#254E8A
oklch(42.7% 0.11 258.1)
-
Step 900
900
#23416E
oklch(37.6% 0.085 258.3)
-
Step 950
950
#152741
oklch(27.2% 0.054 257.6)
#254E8A 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) | #31538C | 0.021 |
| Deuteranopia (no green cones) | #204A89 | 0.013 |
| Tritanopia (no blue cones) | #005C65 | 0.087 |
| Achromatopsia (no color) | #4E4E4E | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #254E8A
#254E8A
oklch(42.7% 0.11 258.1)
- #694800
#694800
oklch(42.7% 0.089 78.7)
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 #254E8A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.015
- Light Navy #155084 ΔE 0.017
- Cobalt #1E488F ΔE 0.022
- Deep Sea Blue #015482 ΔE 0.030
- Light Navy Blue #2E5A88 ΔE 0.039
- Twilight Blue #0A437A ΔE 0.047
- Denim Blue #3B5B92 ΔE 0.048
- Twilight #4E518B ΔE 0.053
Use #254E8A 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.