#179ABA
Closest named color: Blue NCS (#118AB2). oklch(63.6% 0.112 220.4), rgb(23, 154, 186).
Aa
Black text reads best on this color (6.36:1).
About this color
#179ABA is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 64%, its chroma 0.112 and its hue 220°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.046 away. Black text reads best on it, at 6.36:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 6.36:1 |
| White text | 3.29:1 |
Values
| HEX | #179ABA |
| RGB | rgb(23, 154, 186) |
| HSL | hsl(192, 78%, 41%) |
| OKLCH | oklch(63.6% 0.112 220.4) |
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 #179ABA | 3.29:1 | AA large text | Lc -65.3 | Content text, not long reading |
| Black text on #179ABA | 6.36:1 | AA | Lc 44.2 | Non-text elements, placeholder text |
| #179ABA text on white | 3.29:1 | AA large text | Lc 59.8 | Large or bold text, headings |
| #179ABA text on black | 6.36:1 | AA | Lc -41.9 | 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 500.
-
Step 50
50
#F0F7F9
oklch(97.1% 0.008 216.6)
-
Step 100
100
#DFEDF1
oklch(93.7% 0.016 216.7)
-
Step 200
200
#C4DEE7
oklch(88.4% 0.03 220.6)
-
Step 300
300
#9AC9D9
oklch(80.8% 0.054 220.8)
-
Step 400
400
#5CADC7
oklch(70.6% 0.088 221.2)
-
Step 500
500 (this color)
#179ABA
oklch(63.6% 0.112 220.4)
-
Step 600
600
#00809C
oklch(55.5% 0.101 220.3)
-
Step 700
700
#006C84
oklch(49.2% 0.09 220.2)
-
Step 800
800
#00586D
oklch(42.6% 0.078 221.3)
-
Step 900
900
#004A5B
oklch(37.8% 0.069 219.8)
-
Step 950
950
#042B36
oklch(26.9% 0.046 221.4)
#179ABA 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) | #8796BC | 0.093 |
| Deuteranopia (no green cones) | #7287BA | 0.082 |
| Tritanopia (no blue cones) | #00A4A4 | 0.051 |
| Achromatopsia (no color) | #8D8D8D | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #179ABA
#179ABA
oklch(63.6% 0.112 220.4)
- #C47255
#C47255
oklch(63.6% 0.112 40.1)
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 #179ABA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.046
- Teal Green #0A9396 ΔE 0.055
- Sea #3C9992 ΔE 0.061
- Teal Blue #01889F ΔE 0.061
- Cadet Blue #5F9EA0 ΔE 0.061
- Faded Blue #658CBB ΔE 0.062
- Dusty Blue #5A86AD ΔE 0.063
- Cool Blue #4984B8 ΔE 0.064
Use #179ABA 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.