#1C8AAF
Closest named color: Blue NCS (#118AB2). oklch(59.2% 0.107 226.8), rgb(28, 138, 175).
Aa
Black text reads best on this color (5.30:1).
About this color
#1C8AAF is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.107 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.005 away. Black text reads best on it, at 5.30:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.30:1 |
| White text | 3.95:1 |
Values
| HEX | #1C8AAF |
| RGB | rgb(28, 138, 175) |
| HSL | hsl(195, 72%, 40%) |
| OKLCH | oklch(59.2% 0.107 226.8) |
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 #1C8AAF | 3.95:1 | AA large text | Lc -72.0 | Content text, not long reading |
| Black text on #1C8AAF | 5.30:1 | AA | Lc 37.6 | Non-text elements, placeholder text |
| #1C8AAF text on white | 3.95:1 | AA large text | Lc 66.5 | Content text, not long reading |
| #1C8AAF text on black | 5.30:1 | AA | Lc -35.1 | 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
#C8DDE7
oklch(88.5% 0.026 227.9)
-
Step 300
300
#A1C8D9
oklch(81% 0.048 226.3)
-
Step 400
400
#6AABC6
oklch(70.8% 0.077 226.4)
-
Step 500
500
#3B95B7
oklch(63% 0.098 226.6)
-
Step 600
600 (this color)
#1C8AAF
oklch(59.2% 0.107 226.8)
-
Step 700
700
#006B8A
oklch(49.2% 0.095 226.5)
-
Step 800
800
#005772
oklch(42.6% 0.083 227.6)
-
Step 900
900
#11485C
oklch(37.7% 0.064 227.2)
-
Step 950
950
#0D2A36
oklch(26.9% 0.041 228.4)
#1C8AAF 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) | #7687B1 | 0.079 |
| Deuteranopia (no green cones) | #637AAF | 0.068 |
| Tritanopia (no blue cones) | #009596 | 0.059 |
| Achromatopsia (no color) | #808080 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C8AAF
#1C8AAF
oklch(59.2% 0.107 226.8)
- #B16843
#B16843
oklch(59.1% 0.107 46.8)
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 #1C8AAF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.005
- Teal Blue #01889F ΔE 0.027
- Steel Blue #4682B4 ΔE 0.035
- Cool Blue #4984B8 ΔE 0.037
- Off Blue #5684AE ΔE 0.042
- Dusty Blue #5A86AD ΔE 0.045
- Cerulean #457B9D ΔE 0.047
- Water Blue #0E87CC ΔE 0.048
Use #1C8AAF 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.