#18302D
Closest named color: Jet (#212529). oklch(28.8% 0.031 185.4), rgb(24, 48, 45).
Aa
White text reads best on this color (14.00:1).
About this color
#18302D is a dark, muted teal or cyan. In OKLCH its lightness is 29%, its chroma 0.031 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Jet (#212529), ΔE 0.038 away. White text reads best on it, at 14.00:1.
| Hue family | Teals and cyans |
| Lightness | dark (29%) |
| Chroma | muted (0.031) |
| Temperature | cool |
| Nearest name | Jet (#212529) |
| Black text | 1.49:1 |
| White text | 14.00:1 |
Values
| HEX | #18302D |
| RGB | rgb(24, 48, 45) |
| HSL | hsl(173, 33%, 14%) |
| OKLCH | oklch(28.8% 0.031 185.4) |
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 #18302D | 14.00:1 | AAA | Lc -103.6 | Preferred for body text |
| Black text on #18302D | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #18302D text on white | 14.00:1 | AAA | Lc 100.6 | Preferred for body text |
| #18302D text on black | 1.49:1 | 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
#CBDEDB
oklch(88.6% 0.021 185.4)
-
Step 300
300
#A7C9C4
oklch(81% 0.037 185.6)
-
Step 400
400
#76ADA5
oklch(70.7% 0.059 184.6)
-
Step 500
500
#509890
oklch(63.1% 0.074 186.1)
-
Step 600
600
#2F837A
oklch(55.7% 0.081 185.3)
-
Step 700
700
#206E67
oklch(49% 0.075 186.4)
-
Step 800
800
#1E5A54
oklch(42.7% 0.062 185.9)
-
Step 900
900
#1F4A45
oklch(37.7% 0.049 185.3)
-
Step 950
950 (this color)
#18302D
oklch(28.8% 0.031 185.4)
#18302D 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) | #2E2E2D | 0.033 |
| Deuteranopia (no green cones) | #2A2B2D | 0.030 |
| Tritanopia (no blue cones) | #0E312F | 0.010 |
| Achromatopsia (no color) | #2C2C2C | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18302D
#18302D
oklch(28.8% 0.031 185.4)
- #382529
#382529
oklch(28.9% 0.03 5.2)
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 #18302D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.038
- Gunmetal #293241 ΔE 0.046
- Dark #1B2431 ΔE 0.046
- Pakistan Green #283618 ΔE 0.050
- Oxford Blue #1B263B ΔE 0.050
- Space Cadet #2B2D42 ΔE 0.053
- Midnight Green #073B4C ΔE 0.057
- Dark Blue Grey #1F3B4D ΔE 0.063
Use #18302D 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.