#23213A
Closest named color: Oxford Blue (#1B263B). oklch(26.3% 0.046 286.4), rgb(35, 33, 58).
Aa
White text reads best on this color (15.55:1).
About this color
#23213A is a dark, muted purple. In OKLCH its lightness is 26%, its chroma 0.046 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.020 away. White text reads best on it, at 15.55:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.35:1 |
| White text | 15.55:1 |
Values
| HEX | #23213A |
| RGB | rgb(35, 33, 58) |
| HSL | hsl(245, 27%, 18%) |
| OKLCH | oklch(26.3% 0.046 286.4) |
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 #23213A | 15.55:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #23213A | 1.35:1 | Fails | Lc 0.0 | Not readable |
| #23213A text on white | 15.55:1 | AAA | Lc 102.5 | Preferred for body text |
| #23213A text on black | 1.35:1 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E8F4
oklch(93.5% 0.016 289.9)
-
Step 200
200
#D7D7ED
oklch(88.6% 0.03 285.8)
-
Step 300
300
#BDBCE3
oklch(80.9% 0.055 286.3)
-
Step 400
400
#9C99D5
oklch(70.8% 0.087 286.2)
-
Step 500
500
#847ECA
oklch(63% 0.113 286.3)
-
Step 600
600
#6F67B6
oklch(55.7% 0.12 286.4)
-
Step 700
700
#5D559D
oklch(49.1% 0.113 286.6)
-
Step 800
800
#4C467F
oklch(42.8% 0.093 286.6)
-
Step 900
900
#3F3B66
oklch(37.7% 0.072 286.6)
-
Step 950
950 (this color)
#23213A
oklch(26.3% 0.046 286.4)
#23213A 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) | #19253B | 0.019 |
| Deuteranopia (no green cones) | #192339 | 0.018 |
| Tritanopia (no blue cones) | #1D262A | 0.041 |
| Achromatopsia (no color) | #242424 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23213A
#23213A
oklch(26.3% 0.046 286.4)
- #282608
#282608
oklch(26.3% 0.046 105.5)
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 #23213A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.020
- Dark #1B2431 ΔE 0.026
- Jet #212529 ΔE 0.039
- Space Cadet #2B2D42 ΔE 0.043
- Rich Black #0D1B2A ΔE 0.052
- Gunmetal #293241 ΔE 0.058
- Eggplant #380835 ΔE 0.072
- Dark Purple #35063E ΔE 0.074
Use #23213A 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.