#427E7A
Closest named color: Teal (#008080). oklch(55.2% 0.063 189.9), rgb(66, 126, 122).
Aa
White text reads best on this color (4.66:1).
About this color
#427E7A is a medium-dark, muted teal or cyan. In OKLCH its lightness is 55%, its chroma 0.063 and its hue 190°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.032 away. White text reads best on it, at 4.66:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.49:1 |
| White text | 4.66:1 |
Values
| HEX | #427E7A |
| RGB | rgb(66, 126, 122) |
| HSL | hsl(176, 31%, 38%) |
| OKLCH | oklch(55.2% 0.063 189.9) |
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 #427E7A | 4.66:1 | AA | Lc -77.8 | Fine for body text |
| Black text on #427E7A | 4.49:1 | AA large text | Lc 31.8 | Non-text elements, placeholder text |
| #427E7A text on white | 4.66:1 | AA | Lc 72.3 | Content text, not long reading |
| #427E7A text on black | 4.49:1 | AA large text | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEB
oklch(93.7% 0.009 188.1)
-
Step 200
200
#CEDDDB
oklch(88.6% 0.016 187.3)
-
Step 300
300
#ADC7C4
oklch(80.9% 0.028 188.2)
-
Step 400
400
#80AAA7
oklch(70.7% 0.045 190.7)
-
Step 500
500
#5F9591
oklch(63.1% 0.058 189.9)
-
Step 600
600 (this color)
#427E7A
oklch(55.2% 0.063 189.9)
-
Step 700
700
#356B68
oklch(49% 0.058 190.7)
-
Step 800
800
#2C5855
oklch(42.8% 0.049 189.7)
-
Step 900
900
#284846
oklch(37.6% 0.038 190.5)
-
Step 950
950
#182A29
oklch(26.9% 0.024 191.4)
#427E7A 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) | #78797A | 0.066 |
| Deuteranopia (no green cones) | #6E717B | 0.063 |
| Tritanopia (no blue cones) | #24817D | 0.021 |
| Achromatopsia (no color) | #747474 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #427E7A
#427E7A
oklch(55.2% 0.063 189.9)
- #93636A
#93636A
oklch(55.3% 0.063 9.7)
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 #427E7A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.032
- Bluegreen #017A79 ΔE 0.038
- Deep Aqua #08787F ΔE 0.041
- Dark Cyan #008B8B ΔE 0.044
- Ocean #017B92 ΔE 0.051
- Battleship Grey #6B7C85 ΔE 0.053
- Grey Blue #647D8E ΔE 0.053
- Deep Turquoise #017374 ΔE 0.054
Use #427E7A 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.