#428496
Closest named color: Teal Blue (#01889F). oklch(57.7% 0.072 217.9), rgb(66, 132, 150).
Aa
Black text reads best on this color (4.97:1).
About this color
#428496 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 58%, its chroma 0.072 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.030 away. Black text reads best on it, at 4.97:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 4.97:1 |
| White text | 4.22:1 |
Values
| HEX | #428496 |
| RGB | rgb(66, 132, 150) |
| HSL | hsl(193, 39%, 42%) |
| OKLCH | oklch(57.7% 0.072 217.9) |
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 #428496 | 4.22:1 | AA large text | Lc -74.5 | Content text, not long reading |
| Black text on #428496 | 4.97:1 | AA | Lc 35.1 | Non-text elements, placeholder text |
| #428496 text on white | 4.22:1 | AA large text | Lc 69.0 | Content text, not long reading |
| #428496 text on black | 4.97:1 | AA | Lc -32.7 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3EBEE
oklch(93.5% 0.009 222.1)
-
Step 200
200
#CDDCE1
oklch(88.5% 0.018 219.7)
-
Step 300
300
#AAC6CF
oklch(80.9% 0.033 219.2)
-
Step 400
400
#7CA9B6
oklch(70.7% 0.052 217.5)
-
Step 500
500
#5894A4
oklch(63.2% 0.067 216.8)
-
Step 600
600 (this color)
#428496
oklch(57.7% 0.072 217.9)
-
Step 700
700
#2D6A7A
oklch(49.1% 0.067 217.7)
-
Step 800
800
#275663
oklch(42.6% 0.055 218.4)
-
Step 900
900
#254751
oklch(37.7% 0.043 219)
-
Step 950
950
#162A2F
oklch(27% 0.027 215.5)
#428496 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) | #788197 | 0.062 |
| Deuteranopia (no green cones) | #6C7796 | 0.057 |
| Tritanopia (no blue cones) | #008A8A | 0.043 |
| Achromatopsia (no color) | #7B7B7B | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #428496
#428496
oklch(57.7% 0.072 217.9)
- #9F6A5A
#9F6A5A
oklch(57.6% 0.073 37.5)
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 #428496, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.030
- Cerulean #457B9D ΔE 0.032
- Stormy Blue #507B9C ΔE 0.033
- Grey Blue #647D8E ΔE 0.038
- Dark Cyan #008B8B ΔE 0.043
- Off Blue #5684AE ΔE 0.045
- Blue NCS #118AB2 ΔE 0.045
- Dusty Blue #5A86AD ΔE 0.045
Use #428496 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.