#224582
Closest named color: Cobalt (#1E488F). oklch(39.9% 0.111 260.7), rgb(34, 69, 130).
Aa
White text reads best on this color (9.36:1).
About this color
#224582 is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.111 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.022 away. White text reads best on it, at 9.36:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.24:1 |
| White text | 9.36:1 |
Values
| HEX | #224582 |
| RGB | rgb(34, 69, 130) |
| HSL | hsl(218, 59%, 32%) |
| OKLCH | oklch(39.9% 0.111 260.7) |
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 #224582 | 9.36:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #224582 | 2.24:1 | Fails | Lc 12.6 | Not readable |
| #224582 text on white | 9.36:1 | AAA | Lc 91.3 | Preferred for body text |
| #224582 text on black | 2.24:1 | Fails | Lc -11.0 | 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 900.
-
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
#C8DAF8
oklch(88.4% 0.046 260.7)
-
Step 300
300
#A2C2F7
oklch(80.9% 0.083 260.4)
-
Step 400
400
#70A0F3
oklch(70.7% 0.133 260.8)
-
Step 500
500
#4A86EE
oklch(63.2% 0.169 260.6)
-
Step 600
600
#2C6DDD
oklch(55.7% 0.184 260.6)
-
Step 700
700
#1F5AC0
oklch(49.2% 0.172 260.7)
-
Step 800
800
#1B4A9B
oklch(42.7% 0.142 260.6)
-
Step 900
900 (this color)
#224582
oklch(39.9% 0.111 260.7)
-
Step 950
950
#112548
oklch(26.9% 0.07 260.7)
#224582 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) | #264B84 | 0.019 |
| Deuteranopia (no green cones) | #124281 | 0.017 |
| Tritanopia (no blue cones) | #00535D | 0.087 |
| Achromatopsia (no color) | #464646 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #224582
#224582
oklch(39.9% 0.111 260.7)
- #5E4200
#5E4200
oklch(40% 0.083 81.2)
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 #224582, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.022
- Twilight Blue #0A437A ΔE 0.024
- Light Navy #155084 ΔE 0.032
- Dusk Blue #26538D ΔE 0.043
- Deep Sea Blue #015482 ΔE 0.045
- Dark Slate Blue #483D8B ΔE 0.056
- Blueberry #464196 ΔE 0.059
- Marine Blue #01386A ΔE 0.062
Use #224582 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.