#1F4E46
Closest named color: Dark Blue Green (#005249). oklch(38.9% 0.053 180.6), rgb(31, 78, 70).
Aa
White text reads best on this color (9.38:1).
About this color
#1F4E46 is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.053 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.018 away. White text reads best on it, at 9.38:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.23:1 |
| White text | 9.38:1 |
Values
| HEX | #1F4E46 |
| RGB | rgb(31, 78, 70) |
| HSL | hsl(170, 43%, 21%) |
| OKLCH | oklch(38.9% 0.053 180.6) |
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 #1F4E46 | 9.38:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #1F4E46 | 2.23:1 | Fails | Lc 12.4 | Not readable |
| #1F4E46 text on white | 9.38:1 | AAA | Lc 91.5 | Preferred for body text |
| #1F4E46 text on black | 2.23:1 | Fails | Lc -10.8 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2ECEA
oklch(93.5% 0.011 182.9)
-
Step 200
200
#CADEDA
oklch(88.5% 0.022 182.5)
-
Step 300
300
#A6C9C2
oklch(80.8% 0.039 181.8)
-
Step 400
400
#73AEA2
oklch(70.7% 0.064 180.2)
-
Step 500
500
#4A9A8C
oklch(63.2% 0.082 180.6)
-
Step 600
600
#268476
oklch(55.6% 0.088 180.9)
-
Step 700
700
#167063
oklch(49.2% 0.083 180.4)
-
Step 800
800
#175B51
oklch(42.7% 0.068 181)
-
Step 900
900 (this color)
#1F4E46
oklch(38.9% 0.053 180.6)
-
Step 950
950
#122C27
oklch(27.1% 0.034 179.6)
#1F4E46 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) | #4B4A46 | 0.057 |
| Deuteranopia (no green cones) | #434447 | 0.053 |
| Tritanopia (no blue cones) | #014F4C | 0.017 |
| Achromatopsia (no color) | #464646 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F4E46
#1F4E46
oklch(38.9% 0.053 180.6)
- #5C3843
#5C3843
oklch(38.7% 0.053 0.1)
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 #1F4E46, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.018
- Dark Teal #014D4E ΔE 0.021
- Dark Slate Gray #2F4F4F ΔE 0.024
- Deep Teal #00555A ΔE 0.034
- Charcoal #264653 ΔE 0.041
- Charcoal Grey #3C4142 ΔE 0.051
- Evergreen #05472A ΔE 0.053
- Dark Grey Blue #29465B ΔE 0.053
Use #1F4E46 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.