#24576F
Closest named color: Petrol (#005F6A). oklch(43.3% 0.067 231.6), rgb(36, 87, 111).
Aa
White text reads best on this color (7.87:1).
About this color
#24576F is a dark, muted blue. In OKLCH its lightness is 43%, its chroma 0.067 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.032 away. White text reads best on it, at 7.87:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.66:1 |
| White text | 7.87:1 |
Values
| HEX | #24576F |
| RGB | rgb(36, 87, 111) |
| HSL | hsl(199, 51%, 29%) |
| OKLCH | oklch(43.3% 0.067 231.6) |
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 #24576F | 7.87:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #24576F | 2.66:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #24576F text on white | 7.87:1 | AAA | Lc 87.1 | Fine for body text |
| #24576F text on black | 2.66:1 | Fails | Lc -15.0 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CCDCE5
oklch(88.5% 0.021 232.2)
-
Step 300
300
#A8C6D6
oklch(81% 0.039 231.2)
-
Step 400
400
#78A8C1
oklch(70.6% 0.063 231.5)
-
Step 500
500
#5392B2
oklch(63% 0.081 232.1)
-
Step 600
600
#357C9D
oklch(55.6% 0.087 231.4)
-
Step 700
700
#276886
oklch(49% 0.081 231.8)
-
Step 800
800 (this color)
#24576F
oklch(43.3% 0.067 231.6)
-
Step 900
900
#224658
oklch(37.6% 0.052 232.2)
-
Step 950
950
#152934
oklch(26.9% 0.033 233.9)
#24576F 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) | #4B5670 | 0.045 |
| Deuteranopia (no green cones) | #414E6F | 0.040 |
| Tritanopia (no blue cones) | #005E5F | 0.044 |
| Achromatopsia (no color) | #525252 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #24576F
#24576F
oklch(43.3% 0.067 231.6)
- #6E462D
#6E462D
oklch(43.4% 0.067 52.2)
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 #24576F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.032
- YInMn Blue #415A77 ΔE 0.037
- Deep Sea Blue #015482 ΔE 0.039
- Deep Teal #00555A ΔE 0.043
- Light Navy Blue #2E5A88 ΔE 0.043
- Light Navy #155084 ΔE 0.047
- Dark Slate Gray #2F4F4F ΔE 0.052
- Dusk Blue #26538D ΔE 0.055
Use #24576F 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.