#24577D
Closest named color: Light Navy Blue (#2E5A88). oklch(44.1% 0.083 243.9), rgb(36, 87, 125).
Aa
White text reads best on this color (7.67:1).
About this color
#24577D is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.083 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.022 away. White text reads best on it, at 7.67:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.73:1 |
| White text | 7.67:1 |
Values
| HEX | #24577D |
| RGB | rgb(36, 87, 125) |
| HSL | hsl(206, 55%, 32%) |
| OKLCH | oklch(44.1% 0.083 243.9) |
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 #24577D | 7.67:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #24577D | 2.73:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #24577D text on white | 7.67:1 | AAA | Lc 86.4 | Fine for body text |
| #24577D text on black | 2.73:1 | Fails | Lc -15.6 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200
#CBDCEA
oklch(88.6% 0.027 242.8)
-
Step 300
300
#A7C5DE
oklch(81% 0.048 243.5)
-
Step 400
400
#76A6CE
oklch(70.6% 0.078 244.4)
-
Step 500
500
#5190C1
oklch(63.2% 0.099 243.7)
-
Step 600
600
#3279AE
oklch(55.6% 0.109 244.3)
-
Step 700
700
#246695
oklch(49.2% 0.1 243.7)
-
Step 800
800 (this color)
#24577D
oklch(44.1% 0.083 243.9)
-
Step 900
900
#204561
oklch(37.7% 0.064 243.6)
-
Step 950
950
#142939
oklch(27.2% 0.04 243)
#24577D 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) | #46587F | 0.038 |
| Deuteranopia (no green cones) | #3A4F7C | 0.030 |
| Tritanopia (no blue cones) | #006064 | 0.060 |
| Achromatopsia (no color) | #535353 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #24577D
#24577D
oklch(44.1% 0.083 243.9)
- #72481A
#72481A
oklch(44.1% 0.083 64.7)
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 #24577D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.022
- Deep Sea Blue #015482 ΔE 0.023
- Light Navy #155084 ΔE 0.030
- Dusk Blue #26538D ΔE 0.032
- YInMn Blue #415A77 ΔE 0.034
- Denim Blue #3B5B92 ΔE 0.044
- Petrol #005F6A ΔE 0.049
- Denim #3B638C ΔE 0.049
Use #24577D 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.