#224898
Closest named color: Cobalt (#1E488F). oklch(42.2% 0.138 262.8), rgb(34, 72, 152).
Aa
White text reads best on this color (8.57:1).
About this color
#224898 is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.138 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.016 away. White text reads best on it, at 8.57:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.138) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.44:1 |
| White text | 8.57:1 |
Values
| HEX | #224898 |
| RGB | rgb(34, 72, 152) |
| HSL | hsl(221, 63%, 36%) |
| OKLCH | oklch(42.2% 0.138 262.8) |
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 #224898 | 8.57:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #224898 | 2.44:1 | Fails | Lc 14.9 | Not readable |
| #224898 text on white | 8.57:1 | AAA | Lc 89.0 | Fine for body text |
| #224898 text on black | 2.44:1 | 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
#F2F6FD
oklch(97.2% 0.01 261.8)
-
Step 100
100
#E2EAFA
oklch(93.6% 0.023 264.5)
-
Step 200
200
#CADAF8
oklch(88.6% 0.045 263.1)
-
Step 300
300
#A5C1F6
oklch(80.9% 0.081 263)
-
Step 400
400
#759FF1
oklch(70.7% 0.129 262.9)
-
Step 500
500
#5285EC
oklch(63.2% 0.164 262.8)
-
Step 600
600
#376CDB
oklch(55.7% 0.18 262.8)
-
Step 700
700
#2959BE
oklch(49.1% 0.168 262.7)
-
Step 800
800 (this color)
#224898
oklch(42.2% 0.138 262.8)
-
Step 900
900
#213E7A
oklch(37.6% 0.108 262.9)
-
Step 950
950
#142547
oklch(27% 0.067 262.7)
#224898 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) | #13529B | 0.027 |
| Deuteranopia (no green cones) | #004796 | 0.020 |
| Tritanopia (no blue cones) | #005B69 | 0.108 |
| Achromatopsia (no color) | #4C4C4C | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #224898
#224898
oklch(42.2% 0.138 262.8)
- #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 #224898, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.016
- Dusk Blue #26538D ΔE 0.039
- Light Navy #155084 ΔE 0.044
- Blueberry #464196 ΔE 0.045
- Sapphire #2138AB ΔE 0.050
- Dark Slate Blue #483D8B ΔE 0.055
- Twilight Blue #0A437A ΔE 0.056
- Deep Sea Blue #015482 ΔE 0.056
Use #224898 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.