#3C8BAE
Closest named color: Blue NCS (#118AB2). oklch(60.3% 0.093 230.2), rgb(60, 139, 174).
Aa
Black text reads best on this color (5.49:1).
About this color
#3C8BAE is a medium-dark, moderately saturated blue. In OKLCH its lightness is 60%, its chroma 0.093 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.022 away. Black text reads best on it, at 5.49:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.49:1 |
| White text | 3.82:1 |
Values
| HEX | #3C8BAE |
| RGB | rgb(60, 139, 174) |
| HSL | hsl(198, 49%, 46%) |
| OKLCH | oklch(60.3% 0.093 230.2) |
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 #3C8BAE | 3.82:1 | AA large text | Lc -71.0 | Content text, not long reading |
| Black text on #3C8BAE | 5.49:1 | AA | Lc 38.6 | Non-text elements, placeholder text |
| #3C8BAE text on white | 3.82:1 | AA large text | Lc 65.5 | Content text, not long reading |
| #3C8BAE text on black | 5.49:1 | AA | Lc -36.2 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C9DDE7
oklch(88.6% 0.025 229.2)
-
Step 300
300
#A3C7D9
oklch(80.9% 0.046 229.7)
-
Step 400
400
#70A9C6
oklch(70.6% 0.073 231.3)
-
Step 500
500 (this color)
#3C8BAE
oklch(60.3% 0.093 230.2)
-
Step 600
600
#1F7EA3
oklch(55.7% 0.101 229.7)
-
Step 700
700
#0D6A8C
oklch(49.2% 0.094 230.1)
-
Step 800
800
#125671
oklch(42.6% 0.078 230.2)
-
Step 900
900
#19475C
oklch(37.7% 0.061 231.4)
-
Step 950
950
#102A36
oklch(27.1% 0.039 230.5)
#3C8BAE 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) | #7989B0 | 0.065 |
| Deuteranopia (no green cones) | #697DAE | 0.057 |
| Tritanopia (no blue cones) | #009597 | 0.058 |
| Achromatopsia (no color) | #828282 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C8BAE
#3C8BAE
oklch(60.3% 0.093 230.2)
- #AE704C
#AE704C
oklch(60.3% 0.094 50.4)
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 #3C8BAE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.022
- Off Blue #5684AE ΔE 0.029
- Dusty Blue #5A86AD ΔE 0.029
- Cool Blue #4984B8 ΔE 0.030
- Steel Blue #4682B4 ΔE 0.030
- Teal Blue #01889F ΔE 0.037
- Faded Blue #658CBB ΔE 0.046
- Cerulean #457B9D ΔE 0.047
Use #3C8BAE 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.