#24729C
Closest named color: Ocean Blue (#03719C). oklch(52.5% 0.099 237), rgb(36, 114, 156).
Aa
White text reads best on this color (5.30:1).
About this color
#24729C is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.099 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean Blue (#03719C), ΔE 0.013 away. White text reads best on it, at 5.30:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Ocean Blue (#03719C) |
| Black text | 3.96:1 |
| White text | 5.30:1 |
Values
| HEX | #24729C |
| RGB | rgb(36, 114, 156) |
| HSL | hsl(201, 63%, 38%) |
| OKLCH | oklch(52.5% 0.099 237) |
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 #24729C | 5.30:1 | AA | Lc -81.4 | Fine for body text |
| Black text on #24729C | 3.96:1 | AA large text | Lc 28.0 | Dividers and decoration only |
| #24729C text on white | 5.30:1 | AA | Lc 76.0 | Fine for body text |
| #24729C text on black | 3.96:1 | AA large text | Lc -25.7 | 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 600.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF1
oklch(93.5% 0.013 236.6)
-
Step 200
200
#CBDCE8
oklch(88.5% 0.025 238.4)
-
Step 300
300
#A6C6DA
oklch(81% 0.045 235.5)
-
Step 400
400
#75A8C8
oklch(70.8% 0.072 236.7)
-
Step 500
500
#4F92BA
oklch(63.2% 0.091 236.8)
-
Step 600
600 (this color)
#24729C
oklch(52.5% 0.099 237)
-
Step 700
700
#21688E
oklch(49.2% 0.092 236.7)
-
Step 800
800
#1E5573
oklch(42.8% 0.075 236.4)
-
Step 900
900
#1F465D
oklch(37.7% 0.059 237.1)
-
Step 950
950
#132937
oklch(27% 0.038 238.3)
#24729C 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) | #5E729E | 0.057 |
| Deuteranopia (no green cones) | #4E669B | 0.047 |
| Tritanopia (no blue cones) | #007D80 | 0.065 |
| Achromatopsia (no color) | #6B6B6B | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #24729C
#24729C
oklch(52.5% 0.099 237)
- #955A2B
#955A2B
oklch(52.5% 0.099 56.7)
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 #24729C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Blue #03719C ΔE 0.013
- Muted Blue #3B719F ΔE 0.018
- Sea Blue #047495 ΔE 0.018
- Flat Blue #3C73A8 ΔE 0.028
- Dull Blue #49759C ΔE 0.034
- Nice Blue #107AB0 ΔE 0.034
- Ocean #017B92 ΔE 0.036
- Peacock Blue #016795 ΔE 0.038
Use #24729C 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.