#1D5250
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40.3% 0.056 191.7), rgb(29, 82, 80).
Aa
White text reads best on this color (8.84:1).
About this color
#1D5250 is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.056 and its hue 192°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.018 away. White text reads best on it, at 8.84:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.37:1 |
| White text | 8.84:1 |
Values
| HEX | #1D5250 |
| RGB | rgb(29, 82, 80) |
| HSL | hsl(178, 48%, 22%) |
| OKLCH | oklch(40.3% 0.056 191.7) |
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 #1D5250 | 8.84:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #1D5250 | 2.37:1 | Fails | Lc 14.0 | Not readable |
| #1D5250 text on white | 8.84:1 | AAA | Lc 90.0 | Preferred for body text |
| #1D5250 text on black | 2.37:1 | Fails | Lc -12.2 | 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
#CCDDDC
oklch(88.4% 0.018 192.6)
-
Step 300
300
#AAC8C6
oklch(81% 0.032 191.6)
-
Step 400
400
#7BABA9
oklch(70.7% 0.051 192.8)
-
Step 500
500
#569794
oklch(63.2% 0.067 191.8)
-
Step 600
600
#38817E
oklch(55.6% 0.073 191.6)
-
Step 700
700
#2A6D6A
oklch(49.2% 0.067 191.1)
-
Step 800
800 (this color)
#1D5250
oklch(40.3% 0.056 191.7)
-
Step 900
900
#234947
oklch(37.7% 0.044 191)
-
Step 950
950
#152B2A
oklch(27% 0.028 191.9)
#1D5250 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) | #4D4E50 | 0.058 |
| Deuteranopia (no green cones) | #454850 | 0.054 |
| Tritanopia (no blue cones) | #005451 | 0.014 |
| Achromatopsia (no color) | #4A4A4A | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D5250
#1D5250
oklch(40.3% 0.056 191.7)
- #633C41
#633C41
oklch(40.4% 0.055 11.5)
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 #1D5250, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.018
- Deep Teal #00555A ΔE 0.019
- Dark Blue Green #005249 ΔE 0.020
- Dark Teal #014D4E ΔE 0.024
- Charcoal #264653 ΔE 0.042
- Dark Grey Blue #29465B ΔE 0.050
- Petrol #005F6A ΔE 0.050
- Dark Green Blue #1F6357 ΔE 0.055
Use #1D5250 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.