#2A453C
Closest named color: Charcoal Grey (#3C4142). oklch(36.6% 0.037 171.2), rgb(42, 69, 60).
Aa
White text reads best on this color (10.42:1).
About this color
#2A453C is a dark, muted teal or cyan. In OKLCH its lightness is 37%, its chroma 0.037 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.032 away. White text reads best on it, at 10.42:1.
| Hue family | Teals and cyans |
| Lightness | dark (37%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.01:1 |
| White text | 10.42:1 |
Values
| HEX | #2A453C |
| RGB | rgb(42, 69, 60) |
| HSL | hsl(160, 24%, 22%) |
| OKLCH | oklch(36.6% 0.037 171.2) |
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 #2A453C | 10.42:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #2A453C | 2.01:1 | Fails | Lc 9.8 | Not readable |
| #2A453C text on white | 10.42:1 | AAA | Lc 94.1 | Preferred for body text |
| #2A453C text on black | 2.01:1 | Fails | Lc -8.4 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5ECE9
oklch(93.7% 0.008 168.7)
-
Step 200
200
#D0DDD8
oklch(88.6% 0.016 171)
-
Step 300
300
#B0C7BE
oklch(81% 0.028 170.1)
-
Step 400
400
#86AA9D
oklch(70.7% 0.044 171)
-
Step 500
500
#669585
oklch(63.1% 0.057 171.2)
-
Step 600
600
#4C7F6F
oklch(55.5% 0.061 172)
-
Step 700
700
#3D6B5C
oklch(49% 0.057 171)
-
Step 800
800
#33584C
oklch(42.9% 0.047 171.3)
-
Step 900
900 (this color)
#2A453C
oklch(36.6% 0.037 171.2)
-
Step 950
950
#1B2A25
oklch(27% 0.022 171.9)
#2A453C 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) | #43423C | 0.037 |
| Deuteranopia (no green cones) | #3F3E3D | 0.037 |
| Tritanopia (no blue cones) | #234542 | 0.012 |
| Achromatopsia (no color) | #404040 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A453C
#2A453C
oklch(36.6% 0.037 171.2)
- #4E3741
#4E3741
oklch(36.6% 0.036 351.2)
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 #2A453C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.032
- Dark Teal #014D4E ΔE 0.038
- Charcoal #264653 ΔE 0.039
- Dark Slate Gray #2F4F4F ΔE 0.041
- Onyx #343A40 ΔE 0.041
- Dark Blue Green #005249 ΔE 0.045
- Evergreen #05472A ΔE 0.047
- Dark Grey Blue #29465B ΔE 0.053
Use #2A453C 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.