#24419F
Closest named color: Sapphire (#2138AB). oklch(41.4% 0.157 266.4), rgb(36, 65, 159).
Aa
White text reads best on this color (9.00:1).
About this color
#24419F is a dark, vivid blue. In OKLCH its lightness is 41%, its chroma 0.157 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Sapphire (#2138AB), ΔE 0.029 away. White text reads best on it, at 9.00:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | vivid (0.157) |
| Temperature | cool |
| Nearest name | Sapphire (#2138AB) |
| Black text | 2.33:1 |
| White text | 9.00:1 |
Values
| HEX | #24419F |
| RGB | rgb(36, 65, 159) |
| HSL | hsl(226, 63%, 38%) |
| OKLCH | oklch(41.4% 0.157 266.4) |
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 #24419F | 9.00:1 | AAA | Lc -94.6 | Preferred for body text |
| Black text on #24419F | 2.33:1 | Fails | Lc 13.8 | Not readable |
| #24419F text on white | 9.00:1 | AAA | Lc 90.1 | Preferred for body text |
| #24419F text on black | 2.33:1 | Fails | Lc -12.1 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFC
oklch(93.6% 0.026 266.6)
-
Step 200
200
#CAD9FC
oklch(88.5% 0.051 267)
-
Step 300
300
#A5C0FD
oklch(81% 0.092 265.9)
-
Step 400
400
#769CFC
oklch(70.7% 0.147 266.4)
-
Step 500
500
#5580F9
oklch(63.2% 0.187 266.4)
-
Step 600
600
#3C65E8
oklch(55.5% 0.204 266.5)
-
Step 700
700
#2F53CA
oklch(49.1% 0.189 266.4)
-
Step 800
800 (this color)
#24419F
oklch(41.4% 0.157 266.4)
-
Step 900
900
#233B81
oklch(37.6% 0.122 266.3)
-
Step 950
950
#15234C
oklch(27% 0.078 266.9)
#24419F 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) | #004FA2 | 0.037 |
| Deuteranopia (no green cones) | #00439D | 0.021 |
| Tritanopia (no blue cones) | #005969 | 0.124 |
| Achromatopsia (no color) | #494949 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #24419F
#24419F
oklch(41.4% 0.157 266.4)
- #604700
#604700
oklch(41.4% 0.085 85.5)
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 #24419F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sapphire #2138AB ΔE 0.029
- Cobalt #1E488F ΔE 0.033
- Blueberry #464196 ΔE 0.047
- Dark Slate Blue #483D8B ΔE 0.057
- Dusk Blue #26538D ΔE 0.061
- Blue Blue #2242C7 ΔE 0.064
- Light Navy #155084 ΔE 0.064
- Twilight Blue #0A437A ΔE 0.066
Use #24419F 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.