#427F70
Closest named color: Teal (#008080). oklch(55.1% 0.068 175.7), rgb(66, 127, 112).
Aa
White text reads best on this color (4.66:1).
About this color
#427F70 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 55%, its chroma 0.068 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.037 away. White text reads best on it, at 4.66:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.50:1 |
| White text | 4.66:1 |
Values
| HEX | #427F70 |
| RGB | rgb(66, 127, 112) |
| HSL | hsl(165, 32%, 38%) |
| OKLCH | oklch(55.1% 0.068 175.7) |
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 #427F70 | 4.66:1 | AA | Lc -77.7 | Fine for body text |
| Black text on #427F70 | 4.50:1 | AA | Lc 31.8 | Non-text elements, placeholder text |
| #427F70 text on white | 4.66:1 | AA | Lc 72.3 | Content text, not long reading |
| #427F70 text on black | 4.50:1 | AA | Lc -29.4 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CEDDD8
oklch(88.5% 0.017 174)
-
Step 300
300
#ADC7C0
oklch(80.8% 0.03 177.5)
-
Step 400
400
#80AB9F
oklch(70.7% 0.05 175.8)
-
Step 500
500
#5F9688
oklch(63.1% 0.062 176.3)
-
Step 600
600 (this color)
#427F70
oklch(55.1% 0.068 175.7)
-
Step 700
700
#356D5F
oklch(49.2% 0.064 175.2)
-
Step 800
800
#2D594E
oklch(42.9% 0.053 175.5)
-
Step 900
900
#294941
oklch(37.8% 0.041 176.2)
-
Step 950
950
#182B26
oklch(27.1% 0.027 175.7)
#427F70 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) | #7B786F | 0.072 |
| Deuteranopia (no green cones) | #717171 | 0.068 |
| Tritanopia (no blue cones) | #2A807A | 0.021 |
| Achromatopsia (no color) | #747474 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #427F70
#427F70
oklch(55.1% 0.068 175.7)
- #926173
#926173
oklch(55.1% 0.068 355.9)
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 #427F70, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.037
- Bluegreen #017A79 ΔE 0.042
- Dark Cyan #008B8B ΔE 0.048
- Deep Aqua #08787F ΔE 0.049
- Dark Sage #598556 ΔE 0.051
- Dusty Teal #4C9085 ΔE 0.055
- Dark Aquamarine #017371 ΔE 0.056
- Deep Turquoise #017374 ΔE 0.057
Use #427F70 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.