#1D554F
Closest named color: Dark Blue Green (#005249). oklch(41.1% 0.059 185.4), rgb(29, 85, 79).
Aa
White text reads best on this color (8.52:1).
About this color
#1D554F is a dark, muted teal or cyan. In OKLCH its lightness is 41%, its chroma 0.059 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.021 away. White text reads best on it, at 8.52:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.46:1 |
| White text | 8.52:1 |
Values
| HEX | #1D554F |
| RGB | rgb(29, 85, 79) |
| HSL | hsl(174, 49%, 22%) |
| OKLCH | oklch(41.1% 0.059 185.4) |
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 #1D554F | 8.52:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #1D554F | 2.46:1 | Fails | Lc 14.9 | Not readable |
| #1D554F text on white | 8.52:1 | AAA | Lc 89.1 | Fine for body text |
| #1D554F text on black | 2.46:1 | Fails | Lc -13.1 | 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
#CCDDDB
oklch(88.4% 0.018 188.3)
-
Step 300
300
#A9C8C3
oklch(80.8% 0.034 184.7)
-
Step 400
400
#79ACA5
oklch(70.6% 0.055 185.4)
-
Step 500
500
#54988F
oklch(63.2% 0.071 184.6)
-
Step 600
600
#358279
oklch(55.6% 0.077 184.8)
-
Step 700
700
#276E66
oklch(49.2% 0.071 184.8)
-
Step 800
800 (this color)
#1D554F
oklch(41.1% 0.059 185.4)
-
Step 900
900
#224A45
oklch(37.8% 0.046 184.8)
-
Step 950
950
#152B28
oklch(27% 0.029 184.5)
#1D554F 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) | #51504F | 0.063 |
| Deuteranopia (no green cones) | #484A50 | 0.059 |
| Tritanopia (no blue cones) | #005753 | 0.013 |
| Achromatopsia (no color) | #4C4C4C | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D554F
#1D554F
oklch(41.1% 0.059 185.4)
- #663D46
#663D46
oklch(41.2% 0.059 5.7)
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 #1D554F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.021
- Deep Teal #00555A ΔE 0.021
- Dark Slate Gray #2F4F4F ΔE 0.024
- Dark Teal #014D4E ΔE 0.033
- Dark Green Blue #1F6357 ΔE 0.045
- Petrol #005F6A ΔE 0.046
- Charcoal #264653 ΔE 0.053
- Pine #2B5D34 ΔE 0.057
Use #1D554F 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.