#22529E
Closest named color: Dusk Blue (#26538D). oklch(44.9% 0.134 259.4), rgb(34, 82, 158).
Aa
White text reads best on this color (7.58:1).
About this color
#22529E is a dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.134 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.029 away. White text reads best on it, at 7.58:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.76:1 |
| White text | 7.58:1 |
Values
| HEX | #22529E |
| RGB | rgb(34, 82, 158) |
| HSL | hsl(217, 65%, 38%) |
| OKLCH | oklch(44.9% 0.134 259.4) |
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 #22529E | 7.58:1 | AAA | Lc -90.8 | Preferred for body text |
| Black text on #22529E | 2.76:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #22529E text on white | 7.58:1 | AAA | Lc 85.9 | Fine for body text |
| #22529E text on black | 2.76:1 | Fails | Lc -16.1 | 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
#E1EBF9
oklch(93.7% 0.022 256.7)
-
Step 200
200
#C8DAF7
oklch(88.4% 0.045 259.9)
-
Step 300
300
#A3C2F4
oklch(80.9% 0.079 259.9)
-
Step 400
400
#70A1EE
oklch(70.7% 0.125 259.1)
-
Step 500
500
#4A87E9
oklch(63.1% 0.161 259.5)
-
Step 600
600
#2C6ED7
oklch(55.5% 0.175 259.6)
-
Step 700
700
#1F5CBA
oklch(49.1% 0.161 259.3)
-
Step 800
800 (this color)
#22529E
oklch(44.9% 0.134 259.4)
-
Step 900
900
#1C4078
oklch(37.7% 0.104 259.1)
-
Step 950
950
#112646
oklch(27% 0.066 258.6)
#22529E 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) | #285AA1 | 0.024 |
| Deuteranopia (no green cones) | #024F9C | 0.020 |
| Tritanopia (no blue cones) | #006470 | 0.104 |
| Achromatopsia (no color) | #545454 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #22529E
#22529E
oklch(44.9% 0.134 259.4)
- #704E00
#704E00
oklch(44.9% 0.093 79.7)
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 #22529E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.029
- Cobalt #1E488F ΔE 0.036
- Denim Blue #3B5B92 ΔE 0.044
- Light Navy #155084 ΔE 0.045
- Light Navy Blue #2E5A88 ΔE 0.048
- Deep Sea Blue #015482 ΔE 0.052
- Blueberry #464196 ΔE 0.056
- Twilight #4E518B ΔE 0.058
Use #22529E 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.