#1D423C
Closest named color: Dark Teal (#014D4E). oklch(35% 0.044 181.8), rgb(29, 66, 60).
Aa
White text reads best on this color (11.07:1).
About this color
#1D423C is a dark, muted teal or cyan. In OKLCH its lightness is 35%, its chroma 0.044 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.040 away. White text reads best on it, at 11.07:1.
| Hue family | Teals and cyans |
| Lightness | dark (35%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 1.89:1 |
| White text | 11.07:1 |
Values
| HEX | #1D423C |
| RGB | rgb(29, 66, 60) |
| HSL | hsl(170, 39%, 19%) |
| OKLCH | oklch(35% 0.044 181.8) |
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 #1D423C | 11.07:1 | AAA | Lc -99.3 | Preferred for body text |
| Black text on #1D423C | 1.89:1 | Fails | Lc 8.4 | Not readable |
| #1D423C text on white | 11.07:1 | AAA | Lc 95.5 | Preferred for body text |
| #1D423C text on black | 1.89:1 | Fails | Lc 0.0 | 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 900.
-
Step 50
50
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CDDDDA
oklch(88.5% 0.018 183.5)
-
Step 300
300
#AAC8C2
oklch(80.9% 0.033 182)
-
Step 400
400
#7CACA3
oklch(70.8% 0.053 181.8)
-
Step 500
500
#58978C
oklch(63.1% 0.068 181.6)
-
Step 600
600
#3B8176
oklch(55.5% 0.073 181.9)
-
Step 700
700
#2C6D63
oklch(49% 0.068 181.7)
-
Step 800
800
#265951
oklch(42.6% 0.057 181.8)
-
Step 900
900 (this color)
#1D423C
oklch(35% 0.044 181.8)
-
Step 950
950
#162B27
oklch(27% 0.028 180.5)
#1D423C 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) | #3F3E3C | 0.047 |
| Deuteranopia (no green cones) | #393A3D | 0.044 |
| Tritanopia (no blue cones) | #0A4340 | 0.014 |
| Achromatopsia (no color) | #3C3C3C | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D423C
#1D423C
oklch(35% 0.044 181.8)
- #4E3139
#4E3139
oklch(35.1% 0.044 1.6)
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 #1D423C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.040
- Onyx #343A40 ΔE 0.041
- Charcoal #264653 ΔE 0.042
- Evergreen #05472A ΔE 0.044
- Charcoal Grey #3C4142 ΔE 0.044
- Dark Blue Grey #1F3B4D ΔE 0.044
- Midnight Green #073B4C ΔE 0.046
- Dark Blue Green #005249 ΔE 0.051
Use #1D423C 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.