#1D5752
Closest named color: Deep Teal (#00555A). oklch(41.8% 0.06 187.2), rgb(29, 87, 82).
Aa
White text reads best on this color (8.27:1).
About this color
#1D5752 is a dark, muted teal or cyan. In OKLCH its lightness is 42%, its chroma 0.060 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.021 away. White text reads best on it, at 8.27:1.
| Hue family | Teals and cyans |
| Lightness | dark (42%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.53:1 |
| White text | 8.27:1 |
Values
| HEX | #1D5752 |
| RGB | rgb(29, 87, 82) |
| HSL | hsl(175, 50%, 23%) |
| OKLCH | oklch(41.8% 0.06 187.2) |
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 #1D5752 | 8.27:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #1D5752 | 2.53:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #1D5752 text on white | 8.27:1 | AAA | Lc 88.4 | Fine for body text |
| #1D5752 text on black | 2.53:1 | Fails | Lc -13.8 | 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 800.
-
Step 50
50
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200
#CCDEDB
oklch(88.6% 0.02 184.9)
-
Step 300
300
#A8C8C4
oklch(80.8% 0.035 187.3)
-
Step 400
400
#78ACA6
oklch(70.6% 0.056 187)
-
Step 500
500
#529891
oklch(63.2% 0.072 187.1)
-
Step 600
600
#32827B
oklch(55.6% 0.078 187.2)
-
Step 700
700
#246E68
oklch(49.1% 0.072 187.5)
-
Step 800
800 (this color)
#1D5752
oklch(41.8% 0.06 187.2)
-
Step 900
900
#214A46
oklch(37.8% 0.047 187)
-
Step 950
950
#142B29
oklch(26.9% 0.029 188.3)
#1D5752 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) | #525252 | 0.063 |
| Deuteranopia (no green cones) | #494C53 | 0.059 |
| Tritanopia (no blue cones) | #005955 | 0.013 |
| Achromatopsia (no color) | #4E4E4E | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D5752
#1D5752
oklch(41.8% 0.06 187.2)
- #683E47
#683E47
oklch(41.7% 0.06 6.1)
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 #1D5752, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.021
- Dark Blue Green #005249 ΔE 0.027
- Dark Slate Gray #2F4F4F ΔE 0.028
- Dark Teal #014D4E ΔE 0.038
- Dark Green Blue #1F6357 ΔE 0.039
- Petrol #005F6A ΔE 0.040
- Pine #2B5D34 ΔE 0.057
- Charcoal #264653 ΔE 0.057
Use #1D5752 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.