#213482
Closest named color: Twilight Blue (#0A437A). oklch(36.1% 0.133 268.4), rgb(33, 52, 130).
Aa
White text reads best on this color (11.18:1).
About this color
#213482 is a dark, moderately saturated blue. In OKLCH its lightness is 36%, its chroma 0.133 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.046 away. White text reads best on it, at 11.18:1.
| Hue family | Blues |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.133) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 1.87:1 |
| White text | 11.18:1 |
Values
| HEX | #213482 |
| RGB | rgb(33, 52, 130) |
| HSL | hsl(228, 60%, 32%) |
| OKLCH | oklch(36.1% 0.133 268.4) |
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 #213482 | 11.18:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #213482 | 1.87:1 | Fails | Lc 8.5 | Not readable |
| #213482 text on white | 11.18:1 | AAA | Lc 95.4 | Preferred for body text |
| #213482 text on black | 1.87:1 | Fails | Lc 0.0 | 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
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E2EAFE
oklch(93.7% 0.028 268.4)
-
Step 200
200
#CAD9FF
oklch(88.6% 0.055 268.3)
-
Step 300
300
#A7BFFF
oklch(81% 0.095 268.4)
-
Step 400
400
#799AFF
oklch(70.6% 0.153 268.6)
-
Step 500
500
#587DFF
oklch(63.1% 0.197 268.3)
-
Step 600
600
#3F60F3
oklch(55.6% 0.223 268.3)
-
Step 700
700
#334ED3
oklch(49.1% 0.206 268.5)
-
Step 800
800
#2A41AB
oklch(42.8% 0.171 268.5)
-
Step 900
900 (this color)
#213482
oklch(36.1% 0.133 268.4)
-
Step 950
950
#15224F
oklch(27% 0.084 268.2)
#213482 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) | #004085 | 0.035 |
| Deuteranopia (no green cones) | #003780 | 0.024 |
| Tritanopia (no blue cones) | #004755 | 0.106 |
| Achromatopsia (no color) | #3B3B3B | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #213482
#213482
oklch(36.1% 0.133 268.4)
- #4D3B00
#4D3B00
oklch(36.2% 0.074 89.3)
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 #213482, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.046
- Marine Blue #01386A ΔE 0.050
- Cobalt #1E488F ΔE 0.057
- Dark Slate Blue #483D8B ΔE 0.067
- Marine #042E60 ΔE 0.068
- Sapphire #2138AB ΔE 0.069
- Royal #0C1793 ΔE 0.071
- Midnight Blue #191970 ΔE 0.074
Use #213482 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.