#3C91AE
Closest named color: Blue NCS (#118AB2). oklch(61.7% 0.092 223.9), rgb(60, 145, 174).
Aa
Black text reads best on this color (5.85:1).
About this color
#3C91AE is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 62%, its chroma 0.092 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.033 away. Black text reads best on it, at 5.85:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.85:1 |
| White text | 3.58:1 |
Values
| HEX | #3C91AE |
| RGB | rgb(60, 145, 174) |
| HSL | hsl(195, 49%, 46%) |
| OKLCH | oklch(61.7% 0.092 223.9) |
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 #3C91AE | 3.58:1 | AA large text | Lc -68.7 | Content text, not long reading |
| Black text on #3C91AE | 5.85:1 | AA | Lc 40.9 | Non-text elements, placeholder text |
| #3C91AE text on white | 3.58:1 | AA large text | Lc 63.2 | Content text, not long reading |
| #3C91AE text on black | 5.85:1 | AA | Lc -38.5 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C8DDE5
oklch(88.4% 0.025 222.6)
-
Step 300
300
#A2C7D6
oklch(80.8% 0.045 224.5)
-
Step 400
400
#6DABC2
oklch(70.8% 0.072 223.6)
-
Step 500
500 (this color)
#3C91AE
oklch(61.7% 0.092 223.9)
-
Step 600
600
#147F9E
oklch(55.5% 0.1 223.9)
-
Step 700
700
#006B87
oklch(49% 0.092 224)
-
Step 800
800
#0A586E
oklch(42.8% 0.077 223.4)
-
Step 900
900
#154859
oklch(37.6% 0.06 224.2)
-
Step 950
950
#0F2A34
oklch(26.9% 0.038 225.1)
#3C91AE 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) | #818EB0 | 0.073 |
| Deuteranopia (no green cones) | #7182AE | 0.064 |
| Tritanopia (no blue cones) | #009A9A | 0.052 |
| Achromatopsia (no color) | #878787 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C91AE
#3C91AE
oklch(61.7% 0.092 223.9)
- #B47357
#B47357
oklch(61.8% 0.092 43.9)
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 #3C91AE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.033
- Dusty Blue #5A86AD ΔE 0.038
- Off Blue #5684AE ΔE 0.041
- Teal Blue #01889F ΔE 0.044
- Cool Blue #4984B8 ΔE 0.045
- Steel Blue #4682B4 ΔE 0.047
- Teal Green #0A9396 ΔE 0.047
- Faded Blue #658CBB ΔE 0.047
Use #3C91AE 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.