#428F93
Closest named color: Dusty Teal (#4C9085). oklch(60.3% 0.076 199.9), rgb(66, 143, 147).
Aa
Black text reads best on this color (5.58:1).
About this color
#428F93 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 60%, its chroma 0.076 and its hue 200°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.023 away. Black text reads best on it, at 5.58:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.58:1 |
| White text | 3.76:1 |
Values
| HEX | #428F93 |
| RGB | rgb(66, 143, 147) |
| HSL | hsl(183, 38%, 42%) |
| OKLCH | oklch(60.3% 0.076 199.9) |
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 #428F93 | 3.76:1 | AA large text | Lc -70.5 | Content text, not long reading |
| Black text on #428F93 | 5.58:1 | AA | Lc 39.1 | Non-text elements, placeholder text |
| #428F93 text on white | 3.76:1 | AA large text | Lc 65.0 | Content text, not long reading |
| #428F93 text on black | 5.58:1 | AA | Lc -36.7 | 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 500.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECED
oklch(93.6% 0.011 204.1)
-
Step 200
200
#CADEDE
oklch(88.6% 0.021 196.8)
-
Step 300
300
#A6C8CA
oklch(80.9% 0.036 200.9)
-
Step 400
400
#73ACAF
oklch(70.6% 0.06 200.1)
-
Step 500
500 (this color)
#428F93
oklch(60.3% 0.076 199.9)
-
Step 600
600
#288286
oklch(55.7% 0.082 199.4)
-
Step 700
700
#186E72
oklch(49.2% 0.077 199.7)
-
Step 800
800
#18595D
oklch(42.6% 0.063 201.1)
-
Step 900
900
#1C4A4C
oklch(37.8% 0.05 199.2)
-
Step 950
950
#122B2C
oklch(27% 0.031 198.9)
#428F93 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) | #868993 | 0.078 |
| Deuteranopia (no green cones) | #797F93 | 0.073 |
| Tritanopia (no blue cones) | #009490 | 0.031 |
| Achromatopsia (no color) | #848484 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #428F93
#428F93
oklch(60.3% 0.076 199.9)
- #AA6F6E
#AA6F6E
oklch(60.4% 0.076 20.6)
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 #428F93, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.023
- Teal Green #0A9396 ΔE 0.026
- Sea #3C9992 ΔE 0.030
- Dark Cyan #008B8B ΔE 0.036
- Blue Green #0F9B8E ΔE 0.044
- Teal Blue #01889F ΔE 0.044
- Persian Green #2A9D8F ΔE 0.045
- Grey Teal #5E9B8A ΔE 0.051
Use #428F93 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.