#24528F
Closest named color: Dusk Blue (#26538D). oklch(43.9% 0.113 256.5), rgb(36, 82, 143).
Aa
White text reads best on this color (7.84:1).
About this color
#24528F is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.113 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.005 away. White text reads best on it, at 7.84:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.67:1 |
| White text | 7.84:1 |
Values
| HEX | #24528F |
| RGB | rgb(36, 82, 143) |
| HSL | hsl(214, 60%, 35%) |
| OKLCH | oklch(43.9% 0.113 256.5) |
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 #24528F | 7.84:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #24528F | 2.67:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #24528F text on white | 7.84:1 | AAA | Lc 86.9 | Fine for body text |
| #24528F text on black | 2.67:1 | Fails | Lc -15.2 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF7
oklch(93.7% 0.019 255.5)
-
Step 200
200
#CADBF2
oklch(88.6% 0.037 256)
-
Step 300
300
#A6C3EB
oklch(80.9% 0.065 256.5)
-
Step 400
400
#75A3E2
oklch(70.8% 0.105 256.4)
-
Step 500
500
#508AD9
oklch(63% 0.134 256.6)
-
Step 600
600
#3373C7
oklch(55.7% 0.146 256.4)
-
Step 700
700
#2560AC
oklch(49.2% 0.136 256.3)
-
Step 800
800 (this color)
#24528F
oklch(43.9% 0.113 256.5)
-
Step 900
900
#20426F
oklch(37.8% 0.087 256.2)
-
Step 950
950
#132741
oklch(27% 0.055 255.7)
#24528F 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) | #355791 | 0.024 |
| Deuteranopia (no green cones) | #234D8E | 0.015 |
| Tritanopia (no blue cones) | #006069 | 0.087 |
| Achromatopsia (no color) | #525252 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #24528F
#24528F
oklch(43.9% 0.113 256.5)
- #6F4A00
#6F4A00
oklch(43.9% 0.092 76.1)
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 #24528F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.005
- Light Navy #155084 ΔE 0.023
- Cobalt #1E488F ΔE 0.030
- Deep Sea Blue #015482 ΔE 0.030
- Light Navy Blue #2E5A88 ΔE 0.031
- Denim Blue #3B5B92 ΔE 0.038
- Twilight #4E518B ΔE 0.050
- Dusk #4E5481 ΔE 0.055
Use #24528F 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.