#1D5954
Closest named color: Deep Teal (#00555A). oklch(42.4% 0.061 187.4), rgb(29, 89, 84).
Aa
White text reads best on this color (8.04:1).
About this color
#1D5954 is a dark, muted teal or cyan. In OKLCH its lightness is 42%, its chroma 0.061 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.024 away. White text reads best on it, at 8.04:1.
| Hue family | Teals and cyans |
| Lightness | dark (42%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.60:1 |
| White text | 8.04:1 |
Values
| HEX | #1D5954 |
| RGB | rgb(29, 89, 84) |
| HSL | hsl(175, 51%, 23%) |
| OKLCH | oklch(42.4% 0.061 187.4) |
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 #1D5954 | 8.04:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #1D5954 | 2.60:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #1D5954 text on white | 8.04:1 | AAA | Lc 87.6 | Fine for body text |
| #1D5954 text on black | 2.60:1 | Fails | Lc -14.5 | 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
#CBDEDB
oklch(88.6% 0.021 185.4)
-
Step 300
300
#A7C9C4
oklch(81% 0.037 185.6)
-
Step 400
400
#77ADA7
oklch(70.8% 0.058 187.3)
-
Step 500
500
#509891
oklch(63.1% 0.073 187.3)
-
Step 600
600
#2F827B
oklch(55.5% 0.08 187.3)
-
Step 700
700
#216E68
oklch(49.1% 0.074 187.6)
-
Step 800
800 (this color)
#1D5954
oklch(42.4% 0.061 187.4)
-
Step 900
900
#1F4A46
oklch(37.7% 0.048 187.2)
-
Step 950
950
#132B29
oklch(26.9% 0.03 188.5)
#1D5954 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) | #545454 | 0.065 |
| Deuteranopia (no green cones) | #4B4D55 | 0.062 |
| Tritanopia (no blue cones) | #005B57 | 0.012 |
| Achromatopsia (no color) | #505050 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D5954
#1D5954
oklch(42.4% 0.061 187.4)
- #6B4048
#6B4048
oklch(42.5% 0.061 7.9)
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 #1D5954, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.024
- Dark Green Blue #1F6357 ΔE 0.032
- Dark Blue Green #005249 ΔE 0.032
- Dark Slate Gray #2F4F4F ΔE 0.033
- Petrol #005F6A ΔE 0.035
- Dark Teal #014D4E ΔE 0.044
- Dark Aqua #05696B ΔE 0.053
- Pine #2B5D34 ΔE 0.056
Use #1D5954 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.