#3191AE
Closest named color: Blue NCS (#118AB2). oklch(61.4% 0.097 222.1), rgb(49, 145, 174).
Aa
Black text reads best on this color (5.79:1).
About this color
#3191AE is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.097 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.028 away. Black text reads best on it, at 5.79:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.79:1 |
| White text | 3.62:1 |
Values
| HEX | #3191AE |
| RGB | rgb(49, 145, 174) |
| HSL | hsl(194, 56%, 44%) |
| OKLCH | oklch(61.4% 0.097 222.1) |
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 #3191AE | 3.62:1 | AA large text | Lc -69.0 | Content text, not long reading |
| Black text on #3191AE | 5.79:1 | AA | Lc 40.5 | Non-text elements, placeholder text |
| #3191AE text on white | 3.62:1 | AA large text | Lc 63.5 | Content text, not long reading |
| #3191AE text on black | 5.79:1 | AA | Lc -38.1 | 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 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
#C7DDE6
oklch(88.4% 0.027 224.3)
-
Step 300
300
#A0C8D7
oklch(80.9% 0.047 222.7)
-
Step 400
400
#69ACC3
oklch(70.8% 0.076 222)
-
Step 500
500 (this color)
#3191AE
oklch(61.4% 0.097 222.1)
-
Step 600
600
#00809E
oklch(55.6% 0.103 221.9)
-
Step 700
700
#006C85
oklch(49.2% 0.09 221.2)
-
Step 800
800
#00586E
oklch(42.7% 0.079 222.3)
-
Step 900
900
#0E495A
oklch(37.8% 0.064 222.2)
-
Step 950
950
#0C2B34
oklch(27.1% 0.04 220.3)
#3191AE 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) | #808DB0 | 0.079 |
| Deuteranopia (no green cones) | #6F81AE | 0.070 |
| Tritanopia (no blue cones) | #009A9A | 0.049 |
| Achromatopsia (no color) | #868686 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3191AE
#3191AE
oklch(61.4% 0.097 222.1)
- #B57055
#B57055
oklch(61.3% 0.096 42)
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 #3191AE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.028
- Teal Blue #01889F ΔE 0.039
- Dusty Blue #5A86AD ΔE 0.043
- Teal Green #0A9396 ΔE 0.044
- Off Blue #5684AE ΔE 0.045
- Cool Blue #4984B8 ΔE 0.047
- Steel Blue #4682B4 ΔE 0.048
- Faded Blue #658CBB ΔE 0.053
Use #3191AE 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.