#3288A3
Closest named color: Teal Blue (#01889F). oklch(58.7% 0.09 222.5), rgb(50, 136, 163).
Aa
Black text reads best on this color (5.18:1).
About this color
#3288A3 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.090 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.020 away. Black text reads best on it, at 5.18:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 5.18:1 |
| White text | 4.04:1 |
Values
| HEX | #3288A3 |
| RGB | rgb(50, 136, 163) |
| HSL | hsl(194, 53%, 42%) |
| OKLCH | oklch(58.7% 0.09 222.5) |
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 #3288A3 | 4.04:1 | AA large text | Lc -72.9 | Content text, not long reading |
| Black text on #3288A3 | 5.18:1 | AA | Lc 36.6 | Non-text elements, placeholder text |
| #3288A3 text on white | 4.04:1 | AA large text | Lc 67.4 | Content text, not long reading |
| #3288A3 text on black | 5.18:1 | AA | Lc -34.2 | 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 600.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#CADDE4
oklch(88.5% 0.023 221.8)
-
Step 300
300
#A5C7D4
oklch(80.9% 0.041 223)
-
Step 400
400
#73AABE
oklch(70.7% 0.065 222.8)
-
Step 500
500
#4A95AE
oklch(63.2% 0.083 222.4)
-
Step 600
600 (this color)
#3288A3
oklch(58.7% 0.09 222.5)
-
Step 700
700
#176B83
oklch(49.2% 0.084 222.3)
-
Step 800
800
#17576A
oklch(42.6% 0.069 222.1)
-
Step 900
900
#1B4856
oklch(37.7% 0.054 221.6)
-
Step 950
950
#112A33
oklch(26.9% 0.035 224)
#3288A3 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) | #7885A4 | 0.072 |
| Deuteranopia (no green cones) | #6979A3 | 0.065 |
| Tritanopia (no blue cones) | #009091 | 0.046 |
| Achromatopsia (no color) | #7E7E7E | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3288A3
#3288A3
oklch(58.7% 0.09 222.5)
- #A96A50
#A96A50
oklch(58.7% 0.09 43.1)
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 #3288A3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.020
- Blue NCS #118AB2 ΔE 0.024
- Cerulean #457B9D ΔE 0.037
- Off Blue #5684AE ΔE 0.039
- Steel Blue #4682B4 ΔE 0.039
- Dusty Blue #5A86AD ΔE 0.041
- Stormy Blue #507B9C ΔE 0.041
- Cool Blue #4984B8 ΔE 0.043
Use #3288A3 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.