#1D5142
Closest named color: Dark Blue Green (#005249). oklch(39.5% 0.061 171.1), rgb(29, 81, 66).
Aa
White text reads best on this color (9.09:1).
About this color
#1D5142 is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.061 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.016 away. White text reads best on it, at 9.09:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.30:1 |
| White text | 9.09:1 |
Values
| HEX | #1D5142 |
| RGB | rgb(29, 81, 66) |
| HSL | hsl(163, 47%, 22%) |
| OKLCH | oklch(39.5% 0.061 171.1) |
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 #1D5142 | 9.09:1 | AAA | Lc -95.1 | Preferred for body text |
| Black text on #1D5142 | 2.30:1 | Fails | Lc 13.2 | Not readable |
| #1D5142 text on white | 9.09:1 | AAA | Lc 90.7 | Preferred for body text |
| #1D5142 text on black | 2.30:1 | Fails | Lc -11.6 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE9
oklch(93.7% 0.013 172.4)
-
Step 200
200
#C9DFD7
oklch(88.5% 0.026 171.9)
-
Step 300
300
#A4CBBD
oklch(81% 0.046 171.3)
-
Step 400
400
#70B09B
oklch(70.8% 0.073 171.4)
-
Step 500
500
#449C82
oklch(63.1% 0.094 171.1)
-
Step 600
600
#1A866B
oklch(55.5% 0.102 171)
-
Step 700
700
#04725A
oklch(49.2% 0.095 171.3)
-
Step 800
800
#0E5D49
oklch(42.8% 0.079 170.6)
-
Step 900
900 (this color)
#1D5142
oklch(39.5% 0.061 171.1)
-
Step 950
950
#102D24
oklch(27.2% 0.039 170.4)
#1D5142 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) | #4F4C41 | 0.063 |
| Deuteranopia (no green cones) | #474643 | 0.061 |
| Tritanopia (no blue cones) | #00524D | 0.020 |
| Achromatopsia (no color) | #484848 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D5142
#1D5142
oklch(39.5% 0.061 171.1)
- #5F384A
#5F384A
oklch(39.4% 0.061 351.1)
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 #1D5142, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.016
- Dark Teal #014D4E ΔE 0.031
- Dark Slate Gray #2F4F4F ΔE 0.032
- Deep Teal #00555A ΔE 0.038
- Evergreen #05472A ΔE 0.050
- Pine #2B5D34 ΔE 0.053
- Spruce #0A5F38 ΔE 0.054
- Charcoal #264653 ΔE 0.055
Use #1D5142 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.