#3489AC
Closest named color: Blue NCS (#118AB2). oklch(59.4% 0.096 229), rgb(52, 137, 172).
Aa
Black text reads best on this color (5.31:1).
About this color
#3489AC is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.096 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.016 away. Black text reads best on it, at 5.31:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.31:1 |
| White text | 3.94:1 |
Values
| HEX | #3489AC |
| RGB | rgb(52, 137, 172) |
| HSL | hsl(198, 54%, 44%) |
| OKLCH | oklch(59.4% 0.096 229) |
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 #3489AC | 3.94:1 | AA large text | Lc -72.1 | Content text, not long reading |
| Black text on #3489AC | 5.31:1 | AA | Lc 37.5 | Non-text elements, placeholder text |
| #3489AC text on white | 3.94:1 | AA large text | Lc 66.6 | Content text, not long reading |
| #3489AC text on black | 5.31:1 | AA | Lc -35.1 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C8DDE7
oklch(88.5% 0.026 227.9)
-
Step 300
300
#A2C7D9
oklch(80.9% 0.047 229)
-
Step 400
400
#6DAAC6
oklch(70.7% 0.075 228.8)
-
Step 500
500 (this color)
#3489AC
oklch(59.4% 0.096 229)
-
Step 600
600
#157EA4
oklch(55.6% 0.105 229.3)
-
Step 700
700
#006A8C
oklch(49% 0.097 229.1)
-
Step 800
800
#0A5772
oklch(42.8% 0.08 228.7)
-
Step 900
900
#15485C
oklch(37.8% 0.063 228.3)
-
Step 950
950
#0F2A36
oklch(27% 0.04 229.8)
#3489AC 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) | #7787AE | 0.068 |
| Deuteranopia (no green cones) | #667BAC | 0.059 |
| Tritanopia (no blue cones) | #009395 | 0.056 |
| Achromatopsia (no color) | #808080 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3489AC
#3489AC
oklch(59.4% 0.096 229)
- #AD6C49
#AD6C49
oklch(59.4% 0.097 48.5)
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 #3489AC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.016
- Steel Blue #4682B4 ΔE 0.029
- Teal Blue #01889F ΔE 0.030
- Cool Blue #4984B8 ΔE 0.031
- Off Blue #5684AE ΔE 0.032
- Dusty Blue #5A86AD ΔE 0.034
- Cerulean #457B9D ΔE 0.041
- Stormy Blue #507B9C ΔE 0.044
Use #3489AC 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.