#177D80
Closest named color: Teal (#008080). oklch(53.8% 0.086 198), rgb(23, 125, 128).
Aa
White text reads best on this color (4.90:1).
About this color
#177D80 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 54%, its chroma 0.086 and its hue 198°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.010 away. White text reads best on it, at 4.90:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.28:1 |
| White text | 4.90:1 |
Values
| HEX | #177D80 |
| RGB | rgb(23, 125, 128) |
| HSL | hsl(182, 70%, 30%) |
| OKLCH | oklch(53.8% 0.086 198) |
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 #177D80 | 4.90:1 | AA | Lc -79.0 | Fine for body text |
| Black text on #177D80 | 4.28:1 | AA large text | Lc 30.5 | Non-text elements, placeholder text |
| #177D80 text on white | 4.90:1 | AA | Lc 73.6 | Content text, not long reading |
| #177D80 text on black | 4.28:1 | AA large text | Lc -28.1 | Dividers and decoration only |
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
#F2F7F7
oklch(97.2% 0.005 197.1)
-
Step 100
100
#E2ECEC
oklch(93.6% 0.011 197)
-
Step 200
200
#CADEDE
oklch(88.6% 0.021 196.8)
-
Step 300
300
#A4C9CA
oklch(80.9% 0.039 198.4)
-
Step 400
400
#71ADAE
oklch(70.7% 0.062 197.2)
-
Step 500
500
#47989B
oklch(63.1% 0.079 198.6)
-
Step 600
600 (this color)
#177D80
oklch(53.8% 0.086 198)
-
Step 700
700
#0F6E71
oklch(49% 0.08 198.3)
-
Step 800
800
#135A5C
oklch(42.7% 0.066 197.8)
-
Step 900
900
#194A4B
oklch(37.7% 0.052 197.1)
-
Step 950
950
#112B2C
oklch(26.9% 0.032 198.8)
#177D80 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) | #737780 | 0.088 |
| Deuteranopia (no green cones) | #656C81 | 0.083 |
| Tritanopia (no blue cones) | #00827E | 0.017 |
| Achromatopsia (no color) | #717171 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #177D80
#177D80
oklch(53.8% 0.086 198)
- #9A595B
#9A595B
oklch(53.9% 0.086 18.3)
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 #177D80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.010
- Bluegreen #017A79 ΔE 0.015
- Deep Aqua #08787F ΔE 0.017
- Ocean #017B92 ΔE 0.031
- Deep Turquoise #017374 ΔE 0.034
- Dark Aquamarine #017371 ΔE 0.036
- Dark Cyan #008B8B ΔE 0.041
- Sea Blue #047495 ΔE 0.050
Use #177D80 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.