#24558D
Closest named color: Dusk Blue (#26538D). oklch(44.5% 0.106 253.8), rgb(36, 85, 141).
Aa
White text reads best on this color (7.61:1).
About this color
#24558D is a dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.106 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.006 away. White text reads best on it, at 7.61:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.75:1 |
| White text | 7.61:1 |
Values
| HEX | #24558D |
| RGB | rgb(36, 85, 141) |
| HSL | hsl(212, 59%, 35%) |
| OKLCH | oklch(44.5% 0.106 253.8) |
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 #24558D | 7.61:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #24558D | 2.75:1 | Fails | Lc 17.9 | Dividers and decoration only |
| #24558D text on white | 7.61:1 | AAA | Lc 86.1 | Fine for body text |
| #24558D text on black | 2.75:1 | Fails | Lc -15.9 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF6
oklch(93.7% 0.018 253.3)
-
Step 200
200
#CADBF0
oklch(88.5% 0.034 253.7)
-
Step 300
300
#A5C3E9
oklch(80.8% 0.063 254.5)
-
Step 400
400
#74A4DD
oklch(70.7% 0.099 253.3)
-
Step 500
500
#4E8CD4
oklch(63.1% 0.127 253.5)
-
Step 600
600
#3074C1
oklch(55.5% 0.138 253.9)
-
Step 700
700
#2261A7
oklch(49% 0.129 253.9)
-
Step 800
800 (this color)
#24558D
oklch(44.5% 0.106 253.8)
-
Step 900
900
#1F436C
oklch(37.8% 0.082 253.3)
-
Step 950
950
#13273F
oklch(26.9% 0.052 254)
#24558D 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) | #3B598F | 0.028 |
| Deuteranopia (no green cones) | #2B4F8C | 0.017 |
| Tritanopia (no blue cones) | #00626A | 0.081 |
| Achromatopsia (no color) | #545454 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #24558D
#24558D
oklch(44.5% 0.106 253.8)
- #734A00
#734A00
oklch(44.5% 0.095 73)
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 #24558D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.006
- Light Navy Blue #2E5A88 ΔE 0.021
- Light Navy #155084 ΔE 0.024
- Deep Sea Blue #015482 ΔE 0.027
- Denim Blue #3B5B92 ΔE 0.032
- Cobalt #1E488F ΔE 0.040
- Twilight #4E518B ΔE 0.049
- Denim #3B638C ΔE 0.051
Use #24558D 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.