#18615E
Closest named color: Dark Green Blue (#1F6357). oklch(44.9% 0.069 190.9), rgb(24, 97, 94).
Aa
White text reads best on this color (7.21:1).
About this color
#18615E is a dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.069 and its hue 191°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.015 away. White text reads best on it, at 7.21:1.
| Hue family | Teals and cyans |
| Lightness | dark (45%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.91:1 |
| White text | 7.21:1 |
Values
| HEX | #18615E |
| RGB | rgb(24, 97, 94) |
| HSL | hsl(178, 60%, 24%) |
| OKLCH | oklch(44.9% 0.069 190.9) |
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 #18615E | 7.21:1 | AAA | Lc -89.7 | Fine for body text |
| Black text on #18615E | 2.91:1 | Fails | Lc 19.3 | Dividers and decoration only |
| #18615E text on white | 7.21:1 | AAA | Lc 84.7 | Fine for body text |
| #18615E text on black | 2.91:1 | Fails | Lc -17.3 | Dividers and decoration only |
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 800.
-
Step 50
50
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEC
oklch(93.6% 0.011 197)
-
Step 200
200
#C9DEDC
oklch(88.4% 0.023 189.8)
-
Step 300
300
#A4C9C7
oklch(80.9% 0.039 192.3)
-
Step 400
400
#70AEAA
oklch(70.8% 0.064 190.6)
-
Step 500
500
#449995
oklch(63% 0.082 191.1)
-
Step 600
600
#1A8480
oklch(55.7% 0.09 190.9)
-
Step 700
700
#056F6C
oklch(49% 0.083 191.5)
-
Step 800
800 (this color)
#18615E
oklch(44.9% 0.069 190.9)
-
Step 900
900
#174B48
oklch(37.8% 0.054 189.7)
-
Step 950
950
#102C2A
oklch(27.1% 0.034 189.1)
#18615E 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) | #5B5C5E | 0.073 |
| Deuteranopia (no green cones) | #50545F | 0.068 |
| Tritanopia (no blue cones) | #006460 | 0.011 |
| Achromatopsia (no color) | #575757 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18615E
#18615E
oklch(44.9% 0.069 190.9)
- #76444B
#76444B
oklch(44.8% 0.069 11.2)
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 #18615E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.015
- Petrol #005F6A ΔE 0.024
- Dark Aqua #05696B ΔE 0.027
- Deep Teal #00555A ΔE 0.042
- Dark Slate Gray #2F4F4F ΔE 0.056
- Dark Aquamarine #017371 ΔE 0.056
- Dark Blue Green #005249 ΔE 0.056
- Deep Turquoise #017374 ΔE 0.057
Use #18615E 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.