#048E78
Closest named color: Viridian (#1E9167). oklch(57.8% 0.107 176.5), rgb(4, 142, 120).
Aa
Black text reads best on this color (5.14:1).
About this color
#048E78 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 58%, its chroma 0.107 and its hue 177°. Its hue sits on the cool side of the wheel. The nearest named color is Viridian (#1E9167), ΔE 0.030 away. Black text reads best on it, at 5.14:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Viridian (#1E9167) |
| Black text | 5.14:1 |
| White text | 4.08:1 |
Values
| HEX | #048E78 |
| RGB | rgb(4, 142, 120) |
| HSL | hsl(170, 95%, 29%) |
| OKLCH | oklch(57.8% 0.107 176.5) |
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 #048E78 | 4.08:1 | AA large text | Lc -72.9 | Content text, not long reading |
| Black text on #048E78 | 5.14:1 | AA | Lc 36.7 | Non-text elements, placeholder text |
| #048E78 text on white | 4.08:1 | AA large text | Lc 67.4 | Content text, not long reading |
| #048E78 text on black | 5.14:1 | AA | Lc -34.2 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDE9
oklch(93.6% 0.014 174.2)
-
Step 200
200
#C8DFD8
oklch(88.5% 0.026 175.5)
-
Step 300
300
#A0CBC0
oklch(80.8% 0.048 177.7)
-
Step 400
400
#69B19F
oklch(70.8% 0.078 176.1)
-
Step 500
500
#389D88
oklch(63.2% 0.098 176.6)
-
Step 600
600 (this color)
#048E78
oklch(57.8% 0.107 176.5)
-
Step 700
700
#00715F
oklch(49% 0.091 176.5)
-
Step 800
800
#005D4E
oklch(42.8% 0.079 176.7)
-
Step 900
900
#0E4D41
oklch(37.9% 0.064 176.6)
-
Step 950
950
#0C2D26
oklch(27.1% 0.041 176.6)
#048E78 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) | #888477 | 0.112 |
| Deuteranopia (no green cones) | #79797A | 0.107 |
| Tritanopia (no blue cones) | #009087 | 0.022 |
| Achromatopsia (no color) | #7E7E7E | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #048E78
#048E78
oklch(57.8% 0.107 176.5)
- #AB5D7B
#AB5D7B
oklch(57.8% 0.107 356.5)
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 #048E78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Viridian #1E9167 ΔE 0.030
- Dark Cyan #008B8B ΔE 0.034
- Sea Green #2E8B57 ΔE 0.045
- Blue Green #0F9B8E ΔE 0.045
- Teal Green #0A9396 ΔE 0.045
- Dusty Teal #4C9085 ΔE 0.045
- Ocean Green #3D9973 ΔE 0.046
- Teal #008080 ΔE 0.049
Use #048E78 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.