#3491AA
Closest named color: Blue NCS (#118AB2). oklch(61.3% 0.093 219.2), rgb(52, 145, 170).
Aa
Black text reads best on this color (5.77:1).
About this color
#3491AA is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.093 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.032 away. Black text reads best on it, at 5.77:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.77:1 |
| White text | 3.63:1 |
Values
| HEX | #3491AA |
| RGB | rgb(52, 145, 170) |
| HSL | hsl(193, 53%, 44%) |
| OKLCH | oklch(61.3% 0.093 219.2) |
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 #3491AA | 3.63:1 | AA large text | Lc -69.1 | Content text, not long reading |
| Black text on #3491AA | 5.77:1 | AA | Lc 40.4 | Non-text elements, placeholder text |
| #3491AA text on white | 3.63:1 | AA large text | Lc 63.7 | Content text, not long reading |
| #3491AA text on black | 5.77:1 | AA | Lc -38.0 | 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
#C8DEE5
oklch(88.6% 0.025 218.8)
-
Step 300
300
#A1C8D5
oklch(80.9% 0.045 220.1)
-
Step 400
400
#6AACC0
oklch(70.8% 0.073 219.2)
-
Step 500
500 (this color)
#3491AA
oklch(61.3% 0.093 219.2)
-
Step 600
600
#00819B
oklch(55.7% 0.1 218.5)
-
Step 700
700
#006C83
oklch(49.1% 0.089 219.3)
-
Step 800
800
#00586C
oklch(42.6% 0.078 220.2)
-
Step 900
900
#114957
oklch(37.7% 0.06 218.5)
-
Step 950
950
#0D2B33
oklch(27.1% 0.038 218.3)
#3491AA 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) | #818DAB | 0.078 |
| Deuteranopia (no green cones) | #7181AA | 0.070 |
| Tritanopia (no blue cones) | #009999 | 0.044 |
| Achromatopsia (no color) | #868686 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3491AA
#3491AA
oklch(61.3% 0.093 219.2)
- #B47059
#B47059
oklch(61.3% 0.093 39.4)
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 #3491AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.032
- Teal Blue #01889F ΔE 0.038
- Teal Green #0A9396 ΔE 0.039
- Dusty Blue #5A86AD ΔE 0.044
- Off Blue #5684AE ΔE 0.046
- Sea #3C9992 ΔE 0.050
- Cool Blue #4984B8 ΔE 0.050
- Steel Blue #4682B4 ΔE 0.051
Use #3491AA 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.