#213435
Closest named color: Gunmetal (#293241). oklch(30.9% 0.025 200.1), rgb(33, 52, 53).
Aa
White text reads best on this color (13.06:1).
About this color
#213435 is a dark close to neutral grey. In OKLCH its lightness is 31%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.028 away. White text reads best on it, at 13.06:1.
| Hue family | Neutrals |
| Lightness | dark (31%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.60:1 |
| White text | 13.06:1 |
Values
| HEX | #213435 |
| RGB | rgb(33, 52, 53) |
| HSL | hsl(183, 23%, 17%) |
| OKLCH | oklch(30.9% 0.025 200.1) |
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 #213435 | 13.06:1 | AAA | Lc -102.6 | Preferred for body text |
| Black text on #213435 | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #213435 text on white | 13.06:1 | AAA | Lc 99.3 | Preferred for body text |
| #213435 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
#E4ECEC
oklch(93.7% 0.009 197)
-
Step 200
200
#CEDDDD
oklch(88.6% 0.016 196.9)
-
Step 300
300
#ACC7C8
oklch(81% 0.029 199.3)
-
Step 400
400
#7FAAAC
oklch(70.8% 0.046 199.7)
-
Step 500
500
#5C9598
oklch(63.2% 0.06 200)
-
Step 600
600
#407F82
oklch(55.6% 0.065 199.5)
-
Step 700
700
#326B6E
oklch(49.1% 0.06 200)
-
Step 800
800
#2A575A
oklch(42.6% 0.05 201.2)
-
Step 900
900
#27484A
oklch(37.7% 0.039 200.7)
-
Step 950
950 (this color)
#213435
oklch(30.9% 0.025 200.1)
#213435 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) | #313235 | 0.025 |
| Deuteranopia (no green cones) | #2E3035 | 0.023 |
| Tritanopia (no blue cones) | #1A3534 | 0.010 |
| Achromatopsia (no color) | #313131 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #213435
#213435
oklch(30.9% 0.025 200.1)
- #3C2B2B
#3C2B2B
oklch(30.9% 0.025 18.6)
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 #213435, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.028
- Onyx #343A40 ΔE 0.040
- Space Cadet #2B2D42 ΔE 0.042
- Dark Blue Grey #1F3B4D ΔE 0.043
- Midnight Green #073B4C ΔE 0.043
- Pakistan Green #283618 ΔE 0.050
- Jet #212529 ΔE 0.051
- Oxford Blue #1B263B ΔE 0.055
Use #213435 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.