#177D95
Closest named color: Ocean (#017B92). oklch(54.7% 0.093 218.7), rgb(23, 125, 149).
Aa
White text reads best on this color (4.76:1).
About this color
#177D95 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 55%, its chroma 0.093 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.010 away. White text reads best on it, at 4.76:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.40:1 |
| White text | 4.76:1 |
Values
| HEX | #177D95 |
| RGB | rgb(23, 125, 149) |
| HSL | hsl(191, 73%, 34%) |
| OKLCH | oklch(54.7% 0.093 218.7) |
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 #177D95 | 4.76:1 | AA | Lc -78.1 | Fine for body text |
| Black text on #177D95 | 4.40:1 | AA large text | Lc 31.4 | Non-text elements, placeholder text |
| #177D95 text on white | 4.76:1 | AA | Lc 72.7 | Content text, not long reading |
| #177D95 text on black | 4.40:1 | AA large text | Lc -29.0 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C9DDE4
oklch(88.5% 0.023 220.8)
-
Step 300
300
#A3C8D3
oklch(81% 0.042 217.8)
-
Step 400
400
#6FABBD
oklch(70.7% 0.067 218.8)
-
Step 500
500
#4496AC
oklch(63.1% 0.086 218.1)
-
Step 600
600 (this color)
#177D95
oklch(54.7% 0.093 218.7)
-
Step 700
700
#096C82
oklch(49.2% 0.087 218.9)
-
Step 800
800
#105869
oklch(42.7% 0.071 218.3)
-
Step 900
900
#184956
oklch(37.9% 0.056 218.6)
-
Step 950
950
#102B32
oklch(27.1% 0.035 217.1)
#177D95 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) | #6E7996 | 0.079 |
| Deuteranopia (no green cones) | #5E6E95 | 0.070 |
| Tritanopia (no blue cones) | #008585 | 0.041 |
| Achromatopsia (no color) | #737373 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #177D95
#177D95
oklch(54.7% 0.093 218.7)
- #9F5C47
#9F5C47
oklch(54.6% 0.094 38.2)
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 #177D95, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.010
- Sea Blue #047495 ΔE 0.029
- Teal Blue #01889F ΔE 0.032
- Cerulean #457B9D ΔE 0.035
- Deep Aqua #08787F ΔE 0.036
- Teal #008080 ΔE 0.039
- Ocean Blue #03719C ΔE 0.042
- Dull Blue #49759C ΔE 0.044
Use #177D95 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.