#244588
Closest named color: Cobalt (#1E488F). oklch(40.4% 0.119 262.6), rgb(36, 69, 136).
Aa
White text reads best on this color (9.20:1).
About this color
#244588 is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.119 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.014 away. White text reads best on it, at 9.20:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.28:1 |
| White text | 9.20:1 |
Values
| HEX | #244588 |
| RGB | rgb(36, 69, 136) |
| HSL | hsl(220, 58%, 34%) |
| OKLCH | oklch(40.4% 0.119 262.6) |
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 #244588 | 9.20:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #244588 | 2.28:1 | Fails | Lc 13.1 | Not readable |
| #244588 text on white | 9.20:1 | AAA | Lc 90.9 | Preferred for body text |
| #244588 text on black | 2.28:1 | Fails | Lc -11.4 | 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
#E3EAF8
oklch(93.6% 0.02 264.5)
-
Step 200
200
#CCDAF3
oklch(88.6% 0.038 262.1)
-
Step 300
300
#A9C1EE
oklch(80.8% 0.069 262.9)
-
Step 400
400
#7BA0E6
oklch(70.7% 0.111 262.5)
-
Step 500
500
#5A87DF
oklch(63.2% 0.142 262.6)
-
Step 600
600
#406FCC
oklch(55.7% 0.153 262.4)
-
Step 700
700
#325CB1
oklch(49.1% 0.143 262.6)
-
Step 800
800 (this color)
#244588
oklch(40.4% 0.119 262.6)
-
Step 900
900
#264072
oklch(37.8% 0.092 262.2)
-
Step 950
950
#172643
oklch(27.2% 0.058 262.5)
#244588 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) | #214D8A | 0.022 |
| Deuteranopia (no green cones) | #054387 | 0.022 |
| Tritanopia (no blue cones) | #005560 | 0.095 |
| Achromatopsia (no color) | #484848 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #244588
#244588
oklch(40.4% 0.119 262.6)
- #5F4400
#5F4400
oklch(40.6% 0.083 82.8)
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 #244588, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.014
- Twilight Blue #0A437A ΔE 0.032
- Light Navy #155084 ΔE 0.034
- Dusk Blue #26538D ΔE 0.041
- Deep Sea Blue #015482 ΔE 0.048
- Dark Slate Blue #483D8B ΔE 0.051
- Blueberry #464196 ΔE 0.051
- Light Navy Blue #2E5A88 ΔE 0.065
Use #244588 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.