#1A8AAB
Closest named color: Blue NCS (#118AB2). oklch(59% 0.105 223.8), rgb(26, 138, 171).
Aa
Black text reads best on this color (5.26:1).
About this color
#1A8AAB is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.105 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.011 away. Black text reads best on it, at 5.26:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.26:1 |
| White text | 3.98:1 |
Values
| HEX | #1A8AAB |
| RGB | rgb(26, 138, 171) |
| HSL | hsl(194, 74%, 39%) |
| OKLCH | oklch(59% 0.105 223.8) |
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 #1A8AAB | 3.98:1 | AA large text | Lc -72.3 | Content text, not long reading |
| Black text on #1A8AAB | 5.26:1 | AA | Lc 37.3 | Non-text elements, placeholder text |
| #1A8AAB text on white | 3.98:1 | AA large text | Lc 66.7 | Content text, not long reading |
| #1A8AAB text on black | 5.26:1 | AA | Lc -34.9 | 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 600.
-
Step 50
50
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C8DDE6
oklch(88.5% 0.026 225.3)
-
Step 300
300
#A1C8D7
oklch(81% 0.046 223.3)
-
Step 400
400
#6AABC3
oklch(70.7% 0.075 223.6)
-
Step 500
500
#3B96B4
oklch(63.1% 0.096 223.4)
-
Step 600
600 (this color)
#1A8AAB
oklch(59% 0.105 223.8)
-
Step 700
700
#006B87
oklch(49% 0.092 224)
-
Step 800
800
#00586F
oklch(42.7% 0.08 223.4)
-
Step 900
900
#11485A
oklch(37.6% 0.063 224.5)
-
Step 950
950
#0D2B35
oklch(27.2% 0.04 223.2)
#1A8AAB 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) | #7787AD | 0.081 |
| Deuteranopia (no green cones) | #657AAB | 0.071 |
| Tritanopia (no blue cones) | #009495 | 0.052 |
| Achromatopsia (no color) | #7F7F7F | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A8AAB
#1A8AAB
oklch(59% 0.105 223.8)
- #B16748
#B16748
oklch(59% 0.105 43.1)
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 #1A8AAB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.011
- Teal Blue #01889F ΔE 0.021
- Steel Blue #4682B4 ΔE 0.039
- Cool Blue #4984B8 ΔE 0.042
- Off Blue #5684AE ΔE 0.044
- Cerulean #457B9D ΔE 0.046
- Dusty Blue #5A86AD ΔE 0.047
- Teal Green #0A9396 ΔE 0.049
Use #1A8AAB 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.