#224E9E
Closest named color: Cobalt (#1E488F). oklch(44% 0.139 261.2), rgb(34, 78, 158).
Aa
White text reads best on this color (7.92:1).
About this color
#224E9E is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.139 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.029 away. White text reads best on it, at 7.92:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.139) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.65:1 |
| White text | 7.92:1 |
Values
| HEX | #224E9E |
| RGB | rgb(34, 78, 158) |
| HSL | hsl(219, 65%, 38%) |
| OKLCH | oklch(44% 0.139 261.2) |
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 #224E9E | 7.92:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #224E9E | 2.65:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #224E9E text on white | 7.92:1 | AAA | Lc 87.0 | Fine for body text |
| #224E9E text on black | 2.65:1 | Fails | Lc -15.1 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EAFA
oklch(93.5% 0.024 262.1)
-
Step 200
200
#C9DAF8
oklch(88.5% 0.045 261.9)
-
Step 300
300
#A3C2F6
oklch(81% 0.081 260.6)
-
Step 400
400
#72A0F1
oklch(70.7% 0.129 261.1)
-
Step 500
500
#4C86ED
oklch(63.2% 0.167 260.9)
-
Step 600
600
#306DDB
oklch(55.7% 0.18 261.1)
-
Step 700
700
#235ABE
oklch(49.1% 0.168 261.2)
-
Step 800
800 (this color)
#224E9E
oklch(44% 0.139 261.2)
-
Step 900
900
#1E3F7A
oklch(37.7% 0.108 261)
-
Step 950
950
#122548
oklch(27% 0.07 261.5)
#224E9E 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) | #1D57A1 | 0.024 |
| Deuteranopia (no green cones) | #004C9C | 0.020 |
| Tritanopia (no blue cones) | #00616E | 0.109 |
| Achromatopsia (no color) | #515151 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #224E9E
#224E9E
oklch(44% 0.139 261.2)
- #6C4C00
#6C4C00
oklch(44% 0.091 80.8)
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 #224E9E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.029
- Dusk Blue #26538D ΔE 0.033
- Light Navy #155084 ΔE 0.046
- Blueberry #464196 ΔE 0.051
- Denim Blue #3B5B92 ΔE 0.053
- Deep Sea Blue #015482 ΔE 0.055
- Light Navy Blue #2E5A88 ΔE 0.056
- Sapphire #2138AB ΔE 0.059
Use #224E9E 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.