#244A90
Closest named color: Cobalt (#1E488F). oklch(42.2% 0.124 261.4), rgb(36, 74, 144).
Aa
White text reads best on this color (8.54:1).
About this color
#244A90 is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.124 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.009 away. White text reads best on it, at 8.54:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.45:1 |
| White text | 8.54:1 |
Values
| HEX | #244A90 |
| RGB | rgb(36, 74, 144) |
| HSL | hsl(219, 60%, 35%) |
| OKLCH | oklch(42.2% 0.124 261.4) |
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 #244A90 | 8.54:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #244A90 | 2.45:1 | Fails | Lc 15.0 | Not readable |
| #244A90 text on white | 8.54:1 | AAA | Lc 89.0 | Fine for body text |
| #244A90 text on black | 2.45:1 | Fails | Lc -13.2 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF8
oklch(93.5% 0.021 261.8)
-
Step 200
200
#CBDAF4
oklch(88.5% 0.039 261.5)
-
Step 300
300
#A7C2F0
oklch(81% 0.072 261)
-
Step 400
400
#78A0E9
oklch(70.7% 0.116 261.9)
-
Step 500
500
#5587E2
oklch(63.1% 0.148 261.4)
-
Step 600
600
#3A6FD0
oklch(55.7% 0.16 261.3)
-
Step 700
700
#2C5CB4
oklch(49.1% 0.149 261.3)
-
Step 800
800 (this color)
#244A90
oklch(42.2% 0.124 261.4)
-
Step 900
900
#234074
oklch(37.8% 0.096 261.1)
-
Step 950
950
#152644
oklch(27.1% 0.061 261)
#244A90 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) | #245293 | 0.023 |
| Deuteranopia (no green cones) | #06488F | 0.020 |
| Tritanopia (no blue cones) | #005B66 | 0.099 |
| Achromatopsia (no color) | #4C4C4C | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #244A90
#244A90
oklch(42.2% 0.124 261.4)
- #654800
#654800
oklch(42.2% 0.087 82.1)
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 #244A90, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.009
- Dusk Blue #26538D ΔE 0.028
- Light Navy #155084 ΔE 0.030
- Deep Sea Blue #015482 ΔE 0.043
- Twilight Blue #0A437A ΔE 0.047
- Blueberry #464196 ΔE 0.048
- Light Navy Blue #2E5A88 ΔE 0.053
- Dark Slate Blue #483D8B ΔE 0.054
Use #244A90 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.