#223433
Closest named color: Gunmetal (#293241). oklch(30.9% 0.024 191.7), rgb(34, 52, 51).
Aa
White text reads best on this color (13.06:1).
About this color
#223433 is a dark close to neutral grey. In OKLCH its lightness is 31%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.031 away. White text reads best on it, at 13.06:1.
| Hue family | Neutrals |
| Lightness | dark (31%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.60:1 |
| White text | 13.06:1 |
Values
| HEX | #223433 |
| RGB | rgb(34, 52, 51) |
| HSL | hsl(177, 21%, 17%) |
| OKLCH | oklch(30.9% 0.024 191.7) |
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 #223433 | 13.06:1 | AAA | Lc -102.6 | Preferred for body text |
| Black text on #223433 | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #223433 text on white | 13.06:1 | AAA | Lc 99.3 | Preferred for body text |
| #223433 text on black | 1.60:1 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEB
oklch(93.7% 0.009 188.1)
-
Step 200
200
#CEDDDB
oklch(88.6% 0.016 187.3)
-
Step 300
300
#ADC7C5
oklch(81% 0.028 190.9)
-
Step 400
400
#81AAA7
oklch(70.7% 0.045 190.6)
-
Step 500
500
#5F9592
oklch(63.1% 0.057 191.3)
-
Step 600
600
#447F7C
oklch(55.6% 0.062 191.2)
-
Step 700
700
#356B69
oklch(49% 0.058 192.3)
-
Step 800
800
#2D5755
oklch(42.6% 0.047 191.5)
-
Step 900
900
#294846
oklch(37.7% 0.037 190.4)
-
Step 950
950 (this color)
#223433
oklch(30.9% 0.024 191.7)
#223433 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) | #323233 | 0.025 |
| Deuteranopia (no green cones) | #2F3033 | 0.023 |
| Tritanopia (no blue cones) | #1C3534 | 0.008 |
| Achromatopsia (no color) | #313131 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #223433
#223433
oklch(30.9% 0.024 191.7)
- #3B2B2D
#3B2B2D
oklch(30.8% 0.024 10.2)
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 #223433, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.031
- Onyx #343A40 ΔE 0.041
- Space Cadet #2B2D42 ΔE 0.044
- Dark Blue Grey #1F3B4D ΔE 0.046
- Midnight Green #073B4C ΔE 0.046
- Pakistan Green #283618 ΔE 0.047
- Jet #212529 ΔE 0.051
- Oxford Blue #1B263B ΔE 0.057
Use #223433 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.