#223835
Closest named color: Onyx (#343A40). oklch(32.1% 0.028 185.1), rgb(34, 56, 53).
Aa
White text reads best on this color (12.46:1).
About this color
#223835 is a dark close to neutral grey. In OKLCH its lightness is 32%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.035 away. White text reads best on it, at 12.46:1.
| Hue family | Neutrals |
| Lightness | dark (32%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.68:1 |
| White text | 12.46:1 |
Values
| HEX | #223835 |
| RGB | rgb(34, 56, 53) |
| HSL | hsl(172, 24%, 18%) |
| OKLCH | oklch(32.1% 0.028 185.1) |
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 #223835 | 12.46:1 | AAA | Lc -101.7 | Preferred for body text |
| Black text on #223835 | 1.68:1 | Fails | Lc 0.0 | Not readable |
| #223835 text on white | 12.46:1 | AAA | Lc 98.3 | Preferred for body text |
| #223835 text on black | 1.68:1 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200
#CCDDDB
oklch(88.4% 0.018 188.3)
-
Step 300
300
#A9C8C3
oklch(80.8% 0.034 184.7)
-
Step 400
400
#7AACA5
oklch(70.7% 0.054 185.2)
-
Step 500
500
#56978F
oklch(63.1% 0.068 185.5)
-
Step 600
600
#378279
oklch(55.7% 0.076 184.7)
-
Step 700
700
#296E66
oklch(49.2% 0.07 184.7)
-
Step 800
800
#245953
oklch(42.6% 0.057 185.3)
-
Step 900
900
#234945
oklch(37.6% 0.044 186.6)
-
Step 950
950 (this color)
#223835
oklch(32.1% 0.028 185.1)
#223835 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) | #363635 | 0.030 |
| Deuteranopia (no green cones) | #323335 | 0.028 |
| Tritanopia (no blue cones) | #1B3937 | 0.008 |
| Achromatopsia (no color) | #343434 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #223835
#223835
oklch(32.1% 0.028 185.1)
- #402D31
#402D31
oklch(32.1% 0.029 4.9)
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 #223835, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.035
- Gunmetal #293241 ΔE 0.036
- Dark Blue Grey #1F3B4D ΔE 0.041
- Midnight Green #073B4C ΔE 0.042
- Pakistan Green #283618 ΔE 0.045
- Space Cadet #2B2D42 ΔE 0.052
- Charcoal Grey #3C4142 ΔE 0.055
- Charcoal #264653 ΔE 0.061
Use #223835 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.