#212150
Closest named color: Oxford Blue (#1B263B). oklch(27.7% 0.084 279.4), rgb(33, 33, 80).
Aa
White text reads best on this color (15.02:1).
About this color
#212150 is a dark, moderately saturated blue. In OKLCH its lightness is 28%, its chroma 0.084 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.046 away. White text reads best on it, at 15.02:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.39:1 |
| White text | 15.02:1 |
Values
| HEX | #212150 |
| RGB | rgb(33, 33, 80) |
| HSL | hsl(240, 42%, 22%) |
| OKLCH | oklch(27.7% 0.084 279.4) |
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 #212150 | 15.02:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #212150 | 1.39:1 | Fails | Lc 0.0 | Not readable |
| #212150 text on white | 15.02:1 | AAA | Lc 101.7 | Preferred for body text |
| #212150 text on black | 1.39:1 | 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 950.
-
Step 50
50
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E5E8FD
oklch(93.5% 0.029 279.4)
-
Step 200
200
#D1D6FE
oklch(88.5% 0.055 279.6)
-
Step 300
300
#B3BAFF
oklch(80.8% 0.098 279.5)
-
Step 400
400
#8E93FF
oklch(70.6% 0.156 279.6)
-
Step 500
500
#7573FF
oklch(63% 0.202 279.5)
-
Step 600
600
#6056EF
oklch(55.5% 0.221 279.3)
-
Step 700
700
#5045D0
oklch(49.1% 0.205 279.2)
-
Step 800
800
#413AA8
oklch(42.7% 0.17 279.2)
-
Step 900
900
#363485
oklch(37.7% 0.132 279.1)
-
Step 950
950 (this color)
#212150
oklch(27.7% 0.084 279.4)
#212150 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) | #062852 | 0.034 |
| Deuteranopia (no green cones) | #01254F | 0.037 |
| Tritanopia (no blue cones) | #0C2C34 | 0.074 |
| Achromatopsia (no color) | #272727 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #212150
#212150
oklch(27.7% 0.084 279.4)
- #2F2800
#2F2800
oklch(27.6% 0.057 99.1)
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 #212150, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.046
- Marine #042E60 ΔE 0.050
- Space Cadet #2B2D42 ΔE 0.054
- Dark Indigo #1F0954 ΔE 0.055
- Prussian Blue #1D3557 ΔE 0.060
- Midnight Blue #191970 ΔE 0.062
- Dark #1B2431 ΔE 0.062
- Gunmetal #293241 ΔE 0.068
Use #212150 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.