#18464A
Closest named color: Charcoal (#264653). oklch(36.5% 0.05 203.2), rgb(24, 70, 74).
Aa
White text reads best on this color (10.42:1).
About this color
#18464A is a dark, muted teal or cyan. In OKLCH its lightness is 36%, its chroma 0.050 and its hue 203°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.022 away. White text reads best on it, at 10.42:1.
| Hue family | Teals and cyans |
| Lightness | dark (36%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 2.01:1 |
| White text | 10.42:1 |
Values
| HEX | #18464A |
| RGB | rgb(24, 70, 74) |
| HSL | hsl(185, 51%, 19%) |
| OKLCH | oklch(36.5% 0.05 203.2) |
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 #18464A | 10.42:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #18464A | 2.01:1 | Fails | Lc 9.9 | Not readable |
| #18464A text on white | 10.42:1 | AAA | Lc 94.0 | Preferred for body text |
| #18464A text on black | 2.01:1 | Fails | Lc -8.5 | 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 900.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECED
oklch(93.6% 0.011 204.1)
-
Step 200
200
#CADDDF
oklch(88.4% 0.021 204.4)
-
Step 300
300
#A5C8CB
oklch(80.8% 0.038 202.8)
-
Step 400
400
#73ACB1
oklch(70.7% 0.06 202.9)
-
Step 500
500
#4A979E
oklch(63% 0.076 203.3)
-
Step 600
600
#278189
oklch(55.5% 0.083 203.7)
-
Step 700
700
#176D74
oklch(49% 0.077 203.3)
-
Step 800
800
#18595F
oklch(42.7% 0.064 204)
-
Step 900
900 (this color)
#18464A
oklch(36.5% 0.05 203.2)
-
Step 950
950
#122B2D
oklch(27% 0.031 202.3)
#18464A 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) | #40434A | 0.049 |
| Deuteranopia (no green cones) | #393D4A | 0.047 |
| Tritanopia (no blue cones) | #004947 | 0.017 |
| Achromatopsia (no color) | #404040 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18464A
#18464A
oklch(36.5% 0.05 203.2)
- #563432
#563432
oklch(36.6% 0.05 23.4)
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 #18464A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.022
- Dark Teal #014D4E ΔE 0.023
- Dark Grey Blue #29465B ΔE 0.036
- Dark Blue Grey #1F3B4D ΔE 0.039
- Dark Slate Gray #2F4F4F ΔE 0.040
- Dark Blue Green #005249 ΔE 0.041
- Midnight Green #073B4C ΔE 0.042
- Charcoal Grey #3C4142 ΔE 0.043
Use #18464A 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.