#18453F
Closest named color: Dark Teal (#014D4E). oklch(35.7% 0.05 183.3), rgb(24, 69, 63).
Aa
White text reads best on this color (10.70:1).
About this color
#18453F is a dark, muted teal or cyan. In OKLCH its lightness is 36%, its chroma 0.050 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.031 away. White text reads best on it, at 10.70:1.
| Hue family | Teals and cyans |
| Lightness | dark (36%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 1.96:1 |
| White text | 10.70:1 |
Values
| HEX | #18453F |
| RGB | rgb(24, 69, 63) |
| HSL | hsl(172, 48%, 18%) |
| OKLCH | oklch(35.7% 0.05 183.3) |
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 #18453F | 10.70:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #18453F | 1.96:1 | Fails | Lc 9.3 | Not readable |
| #18453F text on white | 10.70:1 | AAA | Lc 94.6 | Preferred for body text |
| #18453F text on black | 1.96:1 | Fails | Lc -8.0 | 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 900.
-
Step 50
50
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEA
oklch(93.5% 0.011 182.9)
-
Step 200
200
#CBDEDA
oklch(88.5% 0.021 181.8)
-
Step 300
300
#A7C9C3
oklch(80.9% 0.037 183.5)
-
Step 400
400
#75ADA4
oklch(70.6% 0.06 183.4)
-
Step 500
500
#4E998E
oklch(63.2% 0.077 183.1)
-
Step 600
600
#2C8378
oklch(55.6% 0.083 183.4)
-
Step 700
700
#1D6F65
oklch(49.1% 0.078 183.2)
-
Step 800
800
#1B5A52
oklch(42.6% 0.064 183.2)
-
Step 900
900 (this color)
#18453F
oklch(35.7% 0.05 183.3)
-
Step 950
950
#132C28
oklch(27.2% 0.032 182.2)
#18453F 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) | #42413F | 0.054 |
| Deuteranopia (no green cones) | #3B3C40 | 0.051 |
| Tritanopia (no blue cones) | #004643 | 0.013 |
| Achromatopsia (no color) | #3E3E3E | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18453F
#18453F
oklch(35.7% 0.05 183.3)
- #53313A
#53313A
oklch(35.8% 0.051 2.8)
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 #18453F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.031
- Charcoal #264653 ΔE 0.039
- Evergreen #05472A ΔE 0.041
- Dark Blue Green #005249 ΔE 0.041
- Charcoal Grey #3C4142 ΔE 0.046
- Onyx #343A40 ΔE 0.048
- Dark Slate Gray #2F4F4F ΔE 0.048
- Dark Blue Grey #1F3B4D ΔE 0.049
Use #18453F 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.