#24569B
Closest named color: Dusk Blue (#26538D). oklch(45.7% 0.125 257.3), rgb(36, 86, 155).
Aa
White text reads best on this color (7.29:1).
About this color
#24569B is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.125 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.023 away. White text reads best on it, at 7.29:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.87:1 |
| White text | 7.29:1 |
Values
| HEX | #24569B |
| RGB | rgb(36, 86, 155) |
| HSL | hsl(215, 62%, 37%) |
| OKLCH | oklch(45.7% 0.125 257.3) |
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 #24569B | 7.29:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #24569B | 2.87:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #24569B text on white | 7.29:1 | AAA | Lc 85.0 | Fine for body text |
| #24569B text on black | 2.87:1 | Fails | Lc -17.0 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF8
oklch(93.6% 0.021 254.9)
-
Step 200
200
#C9DBF4
oklch(88.6% 0.04 256.6)
-
Step 300
300
#A3C3F0
oklch(80.9% 0.073 256.9)
-
Step 400
400
#71A2E8
oklch(70.6% 0.116 257.3)
-
Step 500
500
#4A89E2
oklch(63.1% 0.15 257.4)
-
Step 600
600
#2B71D0
oklch(55.6% 0.162 257.3)
-
Step 700
700
#1E5EB4
oklch(49.1% 0.151 257.4)
-
Step 800
800 (this color)
#24569B
oklch(45.7% 0.125 257.3)
-
Step 900
900
#1C4174
oklch(37.7% 0.097 257.1)
-
Step 950
950
#112644
oklch(26.9% 0.062 257.5)
#24569B 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) | #335C9E | 0.024 |
| Deuteranopia (no green cones) | #1C519A | 0.016 |
| Tritanopia (no blue cones) | #006671 | 0.095 |
| Achromatopsia (no color) | #565656 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #24569B
#24569B
oklch(45.7% 0.125 257.3)
- #744F00
#744F00
oklch(45.7% 0.095 77.7)
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 #24569B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.023
- Denim Blue #3B5B92 ΔE 0.033
- Light Navy Blue #2E5A88 ΔE 0.036
- Light Navy #155084 ΔE 0.043
- Cobalt #1E488F ΔE 0.044
- Deep Sea Blue #015482 ΔE 0.047
- Dusky Blue #475F94 ΔE 0.050
- Twilight #4E518B ΔE 0.052
Use #24569B 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.