#18323E
Closest named color: Gunmetal (#293241). oklch(30.2% 0.039 229.7), rgb(24, 50, 62).
Aa
White text reads best on this color (13.42:1).
About this color
#18323E is a dark, muted teal or cyan. In OKLCH its lightness is 30%, its chroma 0.039 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.024 away. White text reads best on it, at 13.42:1.
| Hue family | Teals and cyans |
| Lightness | dark (30%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.56:1 |
| White text | 13.42:1 |
Values
| HEX | #18323E |
| RGB | rgb(24, 50, 62) |
| HSL | hsl(199, 44%, 17%) |
| OKLCH | oklch(30.2% 0.039 229.7) |
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 #18323E | 13.42:1 | AAA | Lc -102.9 | Preferred for body text |
| Black text on #18323E | 1.56:1 | Fails | Lc 0.0 | Not readable |
| #18323E text on white | 13.42:1 | AAA | Lc 99.8 | Preferred for body text |
| #18323E text on black | 1.56:1 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C9DDE7
oklch(88.6% 0.025 229.2)
-
Step 300
300
#A3C7D9
oklch(80.9% 0.046 229.7)
-
Step 400
400
#6FAAC6
oklch(70.8% 0.074 229.5)
-
Step 500
500
#4494B7
oklch(63.1% 0.094 229.5)
-
Step 600
600
#1D7EA3
oklch(55.7% 0.102 229.4)
-
Step 700
700
#0B6A8C
oklch(49.2% 0.095 229.9)
-
Step 800
800
#115671
oklch(42.6% 0.078 230)
-
Step 900
900
#18475C
oklch(37.6% 0.062 231)
-
Step 950
950 (this color)
#18323E
oklch(30.2% 0.039 229.7)
#18323E 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) | #2C313F | 0.028 |
| Deuteranopia (no green cones) | #262D3E | 0.024 |
| Tritanopia (no blue cones) | #013536 | 0.028 |
| Achromatopsia (no color) | #2F2F2F | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18323E
#18323E
oklch(30.2% 0.039 229.7)
- #3E291D
#3E291D
oklch(30.3% 0.038 50.6)
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 #18323E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.024
- Space Cadet #2B2D42 ΔE 0.032
- Midnight Green #073B4C ΔE 0.034
- Dark Blue Grey #1F3B4D ΔE 0.038
- Oxford Blue #1B263B ΔE 0.040
- Prussian Blue #1D3557 ΔE 0.046
- Dark #1B2431 ΔE 0.048
- Jet #212529 ΔE 0.050
Use #18323E 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.