#1C8FBA
Closest named color: Blue NCS (#118AB2). oklch(61% 0.114 229.7), rgb(28, 143, 186).
Aa
Black text reads best on this color (5.68:1).
About this color
#1C8FBA is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.114 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.018 away. Black text reads best on it, at 5.68:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.68:1 |
| White text | 3.69:1 |
Values
| HEX | #1C8FBA |
| RGB | rgb(28, 143, 186) |
| HSL | hsl(196, 74%, 42%) |
| OKLCH | oklch(61% 0.114 229.7) |
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 #1C8FBA | 3.69:1 | AA large text | Lc -69.5 | Content text, not long reading |
| Black text on #1C8FBA | 5.68:1 | AA | Lc 40.0 | Non-text elements, placeholder text |
| #1C8FBA text on white | 3.69:1 | AA large text | Lc 64.0 | Content text, not long reading |
| #1C8FBA text on black | 5.68:1 | AA | Lc -37.6 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF3
oklch(93.6% 0.016 233)
-
Step 200
200
#C5DEEA
oklch(88.6% 0.031 228.2)
-
Step 300
300
#9CC8DE
oklch(80.9% 0.056 229.9)
-
Step 400
400
#61ABCE
oklch(70.7% 0.09 230.3)
-
Step 500
500 (this color)
#1C8FBA
oklch(61% 0.114 229.7)
-
Step 600
600
#007EA7
oklch(55.5% 0.111 230)
-
Step 700
700
#006A8D
oklch(49.1% 0.098 229.8)
-
Step 800
800
#005774
oklch(42.7% 0.085 229.4)
-
Step 900
900
#014861
oklch(37.6% 0.074 229.9)
-
Step 950
950
#072A39
oklch(26.9% 0.048 231)
#1C8FBA 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) | #798DBC | 0.079 |
| Deuteranopia (no green cones) | #647FB9 | 0.066 |
| Tritanopia (no blue cones) | #009B9D | 0.066 |
| Achromatopsia (no color) | #858585 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C8FBA
#1C8FBA
oklch(61% 0.114 229.7)
- #B96D40
#B96D40
oklch(61% 0.114 50)
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 #1C8FBA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.018
- Cool Blue #4984B8 ΔE 0.038
- Steel Blue #4682B4 ΔE 0.040
- Water Blue #0E87CC ΔE 0.041
- Teal Blue #01889F ΔE 0.045
- Off Blue #5684AE ΔE 0.045
- Dusty Blue #5A86AD ΔE 0.046
- Faded Blue #658CBB ΔE 0.055
Use #1C8FBA 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.