#1F4C4E
Closest named color: Dark Teal (#014D4E). oklch(38.6% 0.049 199.3), rgb(31, 76, 78).
Aa
White text reads best on this color (9.53:1).
About this color
#1F4C4E is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.049 and its hue 199°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.016 away. White text reads best on it, at 9.53:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 2.20:1 |
| White text | 9.53:1 |
Values
| HEX | #1F4C4E |
| RGB | rgb(31, 76, 78) |
| HSL | hsl(183, 43%, 21%) |
| OKLCH | oklch(38.6% 0.049 199.3) |
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 #1F4C4E | 9.53:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #1F4C4E | 2.20:1 | Fails | Lc 12.0 | Not readable |
| #1F4C4E text on white | 9.53:1 | AAA | Lc 91.9 | Preferred for body text |
| #1F4C4E text on black | 2.20:1 | Fails | Lc -10.5 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECEC
oklch(93.6% 0.011 197)
-
Step 200
200
#CADEDE
oklch(88.6% 0.021 196.8)
-
Step 300
300
#A6C8CA
oklch(80.9% 0.036 200.9)
-
Step 400
400
#74ACAF
oklch(70.7% 0.059 200.2)
-
Step 500
500
#4B979B
oklch(63% 0.075 200)
-
Step 600
600
#288286
oklch(55.7% 0.082 199.4)
-
Step 700
700
#196E71
oklch(49.2% 0.076 198.6)
-
Step 800
800
#19595C
oklch(42.6% 0.063 199.6)
-
Step 900
900 (this color)
#1F4C4E
oklch(38.6% 0.049 199.3)
-
Step 950
950
#122B2C
oklch(27% 0.031 198.9)
#1F4C4E 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) | #47494E | 0.051 |
| Deuteranopia (no green cones) | #3F434E | 0.047 |
| Tritanopia (no blue cones) | #004F4C | 0.020 |
| Achromatopsia (no color) | #454545 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F4C4E
#1F4C4E
oklch(38.6% 0.049 199.3)
- #5C3939
#5C3939
oklch(38.6% 0.05 19.6)
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 #1F4C4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.016
- Dark Slate Gray #2F4F4F ΔE 0.021
- Charcoal #264653 ΔE 0.025
- Dark Blue Green #005249 ΔE 0.028
- Deep Teal #00555A ΔE 0.031
- Dark Grey Blue #29465B ΔE 0.036
- Charcoal Grey #3C4142 ΔE 0.045
- Dark Blue Grey #1F3B4D ΔE 0.057
Use #1F4C4E 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.