#23213C
Closest named color: Oxford Blue (#1B263B). oklch(26.4% 0.05 285.8), rgb(35, 33, 60).
Aa
White text reads best on this color (15.50:1).
About this color
#23213C is a dark, muted purple. In OKLCH its lightness is 26%, its chroma 0.050 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 15.50:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.35:1 |
| White text | 15.50:1 |
Values
| HEX | #23213C |
| RGB | rgb(35, 33, 60) |
| HSL | hsl(244, 29%, 18%) |
| OKLCH | oklch(26.4% 0.05 285.8) |
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 #23213C | 15.50:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #23213C | 1.35:1 | Fails | Lc 0.0 | Not readable |
| #23213C text on white | 15.50:1 | AAA | Lc 102.4 | Preferred for body text |
| #23213C 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E8E8F5
oklch(93.5% 0.017 286.1)
-
Step 200
200
#D7D6EE
oklch(88.4% 0.033 287.6)
-
Step 300
300
#BDBCE6
oklch(81% 0.059 286.1)
-
Step 400
400
#9B98D9
oklch(70.7% 0.094 285.8)
-
Step 500
500
#847DCF
oklch(63.1% 0.121 286.3)
-
Step 600
600
#6E65BC
oklch(55.6% 0.132 286)
-
Step 700
700
#5C54A2
oklch(49.2% 0.122 285.7)
-
Step 800
800
#4B4583
oklch(42.7% 0.1 285.7)
-
Step 900
900
#3E3A69
oklch(37.6% 0.079 285.8)
-
Step 950
950 (this color)
#23213C
oklch(26.4% 0.05 285.8)
#23213C 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) | #18253D | 0.020 |
| Deuteranopia (no green cones) | #18233B | 0.019 |
| Tritanopia (no blue cones) | #1C262B | 0.043 |
| Achromatopsia (no color) | #242424 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23213C
#23213C
oklch(26.4% 0.05 285.8)
- #282605
#282605
oklch(26.3% 0.05 106)
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 #23213C, 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 0.029
- Jet #212529 ΔE 0.043
- Space Cadet #2B2D42 ΔE 0.043
- Rich Black #0D1B2A ΔE 0.055
- Gunmetal #293241 ΔE 0.058
- Eggplant #380835 ΔE 0.072
- Prussian Blue #1D3557 ΔE 0.072
Use #23213C 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.