#232833
Closest named color: Jet (#212529). oklch(27.7% 0.022 265.8), rgb(35, 40, 51).
Aa
White text reads best on this color (14.75:1).
About this color
#232833 is a dark close to neutral grey. In OKLCH its lightness is 28%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.020 away. White text reads best on it, at 14.75:1.
| Hue family | Neutrals |
| Lightness | dark (28%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.42:1 |
| White text | 14.75:1 |
Values
| HEX | #232833 |
| RGB | rgb(35, 40, 51) |
| HSL | hsl(221, 19%, 17%) |
| OKLCH | oklch(27.7% 0.022 265.8) |
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 #232833 | 14.75:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #232833 | 1.42:1 | Fails | Lc 0.0 | Not readable |
| #232833 text on white | 14.75:1 | AAA | Lc 101.6 | Preferred for body text |
| #232833 text on black | 1.42:1 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAEF
oklch(93.6% 0.007 260.7)
-
Step 200
200
#D5D9E3
oklch(88.5% 0.014 268.5)
-
Step 300
300
#B9C1D2
oklch(81% 0.026 265.6)
-
Step 400
400
#94A1BB
oklch(70.8% 0.041 264.3)
-
Step 500
500
#7A89AA
oklch(63% 0.053 265.8)
-
Step 600
600
#637395
oklch(55.6% 0.057 265)
-
Step 700
700
#52607F
oklch(49% 0.053 265.6)
-
Step 800
800
#444F68
oklch(42.8% 0.044 266.1)
-
Step 900
900
#394154
oklch(37.6% 0.034 266.9)
-
Step 950
950 (this color)
#232833
oklch(27.7% 0.022 265.8)
#232833 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) | #252934 | 0.005 |
| Deuteranopia (no green cones) | #232733 | 0.004 |
| Tritanopia (no blue cones) | #1F2A2C | 0.018 |
| Achromatopsia (no color) | #282828 | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #232833
#232833
oklch(27.7% 0.022 265.8)
- #2D271C
#2D271C
oklch(27.6% 0.021 82.5)
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 #232833, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.020
- Dark #1B2431 ΔE 0.020
- Oxford Blue #1B263B ΔE 0.022
- Space Cadet #2B2D42 ΔE 0.033
- Gunmetal #293241 ΔE 0.040
- Rich Black #0D1B2A ΔE 0.061
- Dark Blue Grey #1F3B4D ΔE 0.068
- Midnight Green #073B4C ΔE 0.069
Use #232833 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.