#427D82
Closest named color: Teal (#008080). oklch(55.2% 0.062 202.7), rgb(66, 125, 130).
Aa
White text reads best on this color (4.67:1).
About this color
#427D82 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 55%, its chroma 0.062 and its hue 203°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.034 away. White text reads best on it, at 4.67:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.48:1 |
| White text | 4.67:1 |
Values
| HEX | #427D82 |
| RGB | rgb(66, 125, 130) |
| HSL | hsl(185, 33%, 38%) |
| OKLCH | oklch(55.2% 0.062 202.7) |
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 #427D82 | 4.67:1 | AA | Lc -77.8 | Fine for body text |
| Black text on #427D82 | 4.48:1 | AA large text | Lc 31.7 | Non-text elements, placeholder text |
| #427D82 text on white | 4.67:1 | AA | Lc 72.4 | Content text, not long reading |
| #427D82 text on black | 4.48:1 | AA large text | Lc -29.3 | Dividers and decoration only |
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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4EBEC
oklch(93.5% 0.008 207.1)
-
Step 200
200
#CEDCDD
oklch(88.4% 0.015 202)
-
Step 300
300
#ADC6C8
oklch(80.8% 0.027 202.5)
-
Step 400
400
#80A9AD
oklch(70.6% 0.045 203.7)
-
Step 500
500
#5F9499
oklch(63.1% 0.057 203.4)
-
Step 600
600 (this color)
#427D82
oklch(55.2% 0.062 202.7)
-
Step 700
700
#346A6F
oklch(49% 0.058 203.4)
-
Step 800
800
#2C575A
oklch(42.7% 0.048 201.4)
-
Step 900
900
#28484A
oklch(37.8% 0.038 200.8)
-
Step 950
950
#182A2B
oklch(27% 0.024 200.3)
#427D82 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) | #757982 | 0.062 |
| Deuteranopia (no green cones) | #6B7182 | 0.057 |
| Tritanopia (no blue cones) | #1E817E | 0.028 |
| Achromatopsia (no color) | #747474 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #427D82
#427D82
oklch(55.2% 0.062 202.7)
- #936461
#936461
oklch(55.2% 0.062 23.3)
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 #427D82, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.034
- Deep Aqua #08787F ΔE 0.039
- Bluegreen #017A79 ΔE 0.041
- Ocean #017B92 ΔE 0.041
- Metallic Blue #4F738E ΔE 0.042
- Grey Blue #647D8E ΔE 0.045
- Dark Cyan #008B8B ΔE 0.045
- Cerulean #457B9D ΔE 0.046
Use #427D82 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.