#244CA8
Closest named color: Cobalt (#1E488F). oklch(44.5% 0.155 263.6), rgb(36, 76, 168).
Aa
White text reads best on this color (7.85:1).
About this color
#244CA8 is a dark, vivid blue. In OKLCH its lightness is 44%, its chroma 0.155 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.042 away. White text reads best on it, at 7.85:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | vivid (0.155) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.67:1 |
| White text | 7.85:1 |
Values
| HEX | #244CA8 |
| RGB | rgb(36, 76, 168) |
| HSL | hsl(222, 65%, 40%) |
| OKLCH | oklch(44.5% 0.155 263.6) |
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 #244CA8 | 7.85:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #244CA8 | 2.67:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #244CA8 text on white | 7.85:1 | AAA | Lc 86.8 | Fine for body text |
| #244CA8 text on black | 2.67:1 | Fails | Lc -15.3 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C8DAFB
oklch(88.5% 0.05 262.6)
-
Step 300
300
#A3C1FC
oklch(81% 0.09 263.6)
-
Step 400
400
#719EFB
oklch(70.8% 0.145 263.6)
-
Step 500
500
#4D82F8
oklch(63.1% 0.185 263.7)
-
Step 600
600
#3168E7
oklch(55.6% 0.202 263.5)
-
Step 700
700
#2555C9
oklch(49.1% 0.188 263.8)
-
Step 800
800 (this color)
#244CA8
oklch(44.5% 0.155 263.6)
-
Step 900
900
#1E3D81
oklch(37.8% 0.121 263.3)
-
Step 950
950
#12244B
oklch(26.9% 0.076 263.5)
#244CA8 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) | #0058AB | 0.032 |
| Deuteranopia (no green cones) | #004CA6 | 0.019 |
| Tritanopia (no blue cones) | #006372 | 0.123 |
| Achromatopsia (no color) | #525252 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #244CA8
#244CA8
oklch(44.5% 0.155 263.6)
- #6C4E00
#6C4E00
oklch(44.4% 0.091 83)
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 #244CA8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.042
- Sapphire #2138AB ΔE 0.049
- Dusk Blue #26538D ΔE 0.050
- Blueberry #464196 ΔE 0.052
- Blue Blue #2242C7 ΔE 0.055
- Light Navy #155084 ΔE 0.063
- Denim Blue #3B5B92 ΔE 0.065
- Dark Slate Blue #483D8B ΔE 0.069
Use #244CA8 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.