#23213D
Closest named color: Oxford Blue (#1B263B). oklch(26.5% 0.052 285.6), rgb(35, 33, 61).
Aa
White text reads best on this color (15.48:1).
About this color
#23213D is a dark, muted purple. In OKLCH its lightness is 26%, its chroma 0.052 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.021 away. White text reads best on it, at 15.48:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.35:1 |
| White text | 15.48:1 |
Values
| HEX | #23213D |
| RGB | rgb(35, 33, 61) |
| HSL | hsl(244, 30%, 18%) |
| OKLCH | oklch(26.5% 0.052 285.6) |
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 #23213D | 15.48:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #23213D | 1.35:1 | Fails | Lc 0.0 | Not readable |
| #23213D text on white | 15.48:1 | AAA | Lc 102.4 | Preferred for body text |
| #23213D 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
#E8E8F6
oklch(93.5% 0.019 286)
-
Step 200
200
#D6D6EF
oklch(88.4% 0.034 285.7)
-
Step 300
300
#BCBCE7
oklch(81% 0.06 285)
-
Step 400
400
#9B98DB
oklch(70.8% 0.097 285.7)
-
Step 500
500
#837DD1
oklch(63.1% 0.124 285.5)
-
Step 600
600
#6D65BE
oklch(55.6% 0.135 285.2)
-
Step 700
700
#5C53A4
oklch(49.1% 0.126 285.8)
-
Step 800
800
#4B4485
oklch(42.6% 0.105 286)
-
Step 900
900
#3E3A6B
oklch(37.7% 0.082 285.5)
-
Step 950
950 (this color)
#23213D
oklch(26.5% 0.052 285.6)
#23213D 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) | #18253E | 0.020 |
| Deuteranopia (no green cones) | #17233C | 0.020 |
| Tritanopia (no blue cones) | #1C262C | 0.043 |
| Achromatopsia (no color) | #242424 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23213D
#23213D
oklch(26.5% 0.052 285.6)
- #292604
#292604
oklch(26.4% 0.051 104.4)
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 #23213D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.021
- Dark #1B2431 ΔE 0.031
- Space Cadet #2B2D42 ΔE 0.043
- Jet #212529 ΔE 0.044
- Rich Black #0D1B2A ΔE 0.056
- Gunmetal #293241 ΔE 0.058
- Prussian Blue #1D3557 ΔE 0.071
- Eggplant #380835 ΔE 0.072
Use #23213D 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.