#1D574F
Closest named color: Deep Teal (#00555A). oklch(41.7% 0.061 182.6), rgb(29, 87, 79).
Aa
White text reads best on this color (8.30:1).
About this color
#1D574F is a dark, muted teal or cyan. In OKLCH its lightness is 42%, its chroma 0.061 and its hue 183°. 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 8.30:1.
| Hue family | Teals and cyans |
| Lightness | dark (42%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.52:1 |
| White text | 8.30:1 |
Values
| HEX | #1D574F |
| RGB | rgb(29, 87, 79) |
| HSL | hsl(172, 50%, 23%) |
| OKLCH | oklch(41.7% 0.061 182.6) |
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 #1D574F | 8.30:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #1D574F | 2.52:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #1D574F text on white | 8.30:1 | AAA | Lc 88.4 | Fine for body text |
| #1D574F text on black | 2.52:1 | Fails | Lc -13.7 | 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
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CCDEDA
oklch(88.6% 0.02 181.1)
-
Step 300
300
#A8C9C2
oklch(81% 0.037 181.1)
-
Step 400
400
#78ADA4
oklch(70.8% 0.057 182.9)
-
Step 500
500
#52988D
oklch(63.1% 0.073 182.6)
-
Step 600
600
#338277
oklch(55.5% 0.079 182.8)
-
Step 700
700
#246E64
oklch(49% 0.074 182.6)
-
Step 800
800 (this color)
#1D574F
oklch(41.7% 0.061 182.6)
-
Step 900
900
#214A44
oklch(37.8% 0.047 183)
-
Step 950
950
#142B28
oklch(26.9% 0.03 184.8)
#1D574F 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) | #53524F | 0.065 |
| Deuteranopia (no green cones) | #4A4B50 | 0.062 |
| Tritanopia (no blue cones) | #005954 | 0.013 |
| Achromatopsia (no color) | #4E4E4E | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D574F
#1D574F
oklch(41.7% 0.061 182.6)
- #683E49
#683E49
oklch(41.7% 0.061 3.1)
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 #1D574F, 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 Blue Green #005249 ΔE 0.025
- Dark Slate Gray #2F4F4F ΔE 0.029
- Dark Green Blue #1F6357 ΔE 0.038
- Dark Teal #014D4E ΔE 0.039
- Petrol #005F6A ΔE 0.044
- Pine #2B5D34 ΔE 0.052
- Spruce #0A5F38 ΔE 0.053
Use #1D574F 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.