#18322E
Closest named color: Gunmetal (#293241). oklch(29.5% 0.033 183), rgb(24, 50, 46).
Aa
White text reads best on this color (13.68:1).
About this color
#18322E is a dark, muted teal or cyan. In OKLCH its lightness is 29%, its chroma 0.033 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.044 away. White text reads best on it, at 13.68:1.
| Hue family | Teals and cyans |
| Lightness | dark (29%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.53:1 |
| White text | 13.68:1 |
Values
| HEX | #18322E |
| RGB | rgb(24, 50, 46) |
| HSL | hsl(171, 35%, 15%) |
| OKLCH | oklch(29.5% 0.033 183) |
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 #18322E | 13.68:1 | AAA | Lc -103.3 | Preferred for body text |
| Black text on #18322E | 1.53:1 | Fails | Lc 0.0 | Not readable |
| #18322E text on white | 13.68:1 | AAA | Lc 100.2 | Preferred for body text |
| #18322E text on black | 1.53:1 | 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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEA
oklch(93.5% 0.011 182.9)
-
Step 200
200
#CADEDA
oklch(88.5% 0.022 182.5)
-
Step 300
300
#A6C9C3
oklch(80.9% 0.038 183.8)
-
Step 400
400
#73AEA4
oklch(70.7% 0.063 182.6)
-
Step 500
500
#4A998E
oklch(63% 0.08 183.5)
-
Step 600
600
#268478
oklch(55.7% 0.087 182.8)
-
Step 700
700
#176F65
oklch(49% 0.08 183.5)
-
Step 800
800
#175B52
oklch(42.7% 0.068 182.3)
-
Step 900
900
#1C4B44
oklch(37.8% 0.052 182.2)
-
Step 950
950 (this color)
#18322E
oklch(29.5% 0.033 183)
#18322E 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) | #302F2E | 0.036 |
| Deuteranopia (no green cones) | #2B2C2E | 0.033 |
| Tritanopia (no blue cones) | #0D3331 | 0.010 |
| Achromatopsia (no color) | #2D2D2D | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18322E
#18322E
oklch(29.5% 0.033 183)
- #3B262B
#3B262B
oklch(29.6% 0.033 3.6)
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 #18322E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.044
- Jet #212529 ΔE 0.045
- Pakistan Green #283618 ΔE 0.046
- Dark #1B2431 ΔE 0.052
- Midnight Green #073B4C ΔE 0.054
- Space Cadet #2B2D42 ΔE 0.054
- Oxford Blue #1B263B ΔE 0.055
- Onyx #343A40 ΔE 0.059
Use #18322E 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.