#24586D
Closest named color: Petrol (#005F6A). oklch(43.5% 0.065 227.7), rgb(36, 88, 109).
Aa
White text reads best on this color (7.80:1).
About this color
#24586D is a dark, muted teal or cyan. In OKLCH its lightness is 43%, its chroma 0.065 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.028 away. White text reads best on it, at 7.80:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.69:1 |
| White text | 7.80:1 |
Values
| HEX | #24586D |
| RGB | rgb(36, 88, 109) |
| HSL | hsl(197, 50%, 28%) |
| OKLCH | oklch(43.5% 0.065 227.7) |
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 #24586D | 7.80:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #24586D | 2.69:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #24586D text on white | 7.80:1 | AAA | Lc 86.9 | Fine for body text |
| #24586D text on black | 2.69:1 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CCDCE4
oklch(88.5% 0.02 229.1)
-
Step 300
300
#A8C6D4
oklch(80.9% 0.038 227.7)
-
Step 400
400
#78A9BE
oklch(70.8% 0.06 226.5)
-
Step 500
500
#5393AE
oklch(63.1% 0.077 227.3)
-
Step 600
600
#357D9A
oklch(55.7% 0.084 227.7)
-
Step 700
700
#266983
oklch(49% 0.078 227.5)
-
Step 800
800 (this color)
#24586D
oklch(43.5% 0.065 227.7)
-
Step 900
900
#214757
oklch(37.7% 0.051 227.9)
-
Step 950
950
#142A33
oklch(27.1% 0.033 226.5)
#24586D 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) | #4D566E | 0.048 |
| Deuteranopia (no green cones) | #434F6D | 0.042 |
| Tritanopia (no blue cones) | #005E5F | 0.039 |
| Achromatopsia (no color) | #525252 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #24586D
#24586D
oklch(43.5% 0.065 227.7)
- #6E4631
#6E4631
oklch(43.5% 0.064 48.2)
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 #24586D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.028
- YInMn Blue #415A77 ΔE 0.037
- Deep Teal #00555A ΔE 0.040
- Deep Sea Blue #015482 ΔE 0.043
- Light Navy Blue #2E5A88 ΔE 0.047
- Dark Slate Gray #2F4F4F ΔE 0.050
- Light Navy #155084 ΔE 0.052
- Dark Aqua #05696B ΔE 0.056
Use #24586D 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.