#144F5E
Closest named color: Deep Teal (#00555A). oklch(39.8% 0.063 218.7), rgb(20, 79, 94).
Aa
White text reads best on this color (9.09:1).
About this color
#144F5E is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.063 and its hue 219°. 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 9.09:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.30:1 |
| White text | 9.09:1 |
Values
| HEX | #144F5E |
| RGB | rgb(20, 79, 94) |
| HSL | hsl(192, 65%, 22%) |
| OKLCH | oklch(39.8% 0.063 218.7) |
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 #144F5E | 9.09:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #144F5E | 2.30:1 | Fails | Lc 13.3 | Not readable |
| #144F5E text on white | 9.09:1 | AAA | Lc 90.6 | Preferred for body text |
| #144F5E text on black | 2.30:1 | Fails | Lc -11.7 | 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 900.
-
Step 50
50
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E0ECF0
oklch(93.5% 0.014 219.6)
-
Step 200
200
#C7DEE5
oklch(88.6% 0.026 218)
-
Step 300
300
#9FC9D5
oklch(81% 0.047 217.1)
-
Step 400
400
#67ACC1
oklch(70.7% 0.076 219.5)
-
Step 500
500
#3497B1
oklch(63.1% 0.097 218.9)
-
Step 600
600
#00819B
oklch(55.7% 0.1 218.5)
-
Step 700
700
#006C82
oklch(49.1% 0.088 218.4)
-
Step 800
800
#00596B
oklch(42.8% 0.077 217.7)
-
Step 900
900 (this color)
#144F5E
oklch(39.8% 0.063 218.7)
-
Step 950
950
#0B2B34
oklch(27% 0.04 219.8)
#144F5E 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) | #464D5F | 0.054 |
| Deuteranopia (no green cones) | #3B455E | 0.048 |
| Tritanopia (no blue cones) | #005454 | 0.029 |
| Achromatopsia (no color) | #484848 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #144F5E
#144F5E
oklch(39.8% 0.063 218.7)
- #643B2D
#643B2D
oklch(39.8% 0.063 39.6)
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 #144F5E, 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 Teal #014D4E ΔE 0.030
- Charcoal #264653 ΔE 0.031
- Dark Grey Blue #29465B ΔE 0.031
- Dark Slate Gray #2F4F4F ΔE 0.032
- Dark Blue Green #005249 ΔE 0.042
- Petrol #005F6A ΔE 0.050
- Deep Sea Blue #015482 ΔE 0.059
Use #144F5E 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.