#427681
Closest named color: Metallic Blue (#4F738E). oklch(53.4% 0.058 212.8), rgb(66, 118, 129).
Aa
White text reads best on this color (5.07:1).
About this color
#427681 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 53%, its chroma 0.058 and its hue 213°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.030 away. White text reads best on it, at 5.07:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.14:1 |
| White text | 5.07:1 |
Values
| HEX | #427681 |
| RGB | rgb(66, 118, 129) |
| HSL | hsl(190, 32%, 38%) |
| OKLCH | oklch(53.4% 0.058 212.8) |
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 #427681 | 5.07:1 | AA | Lc -80.3 | Fine for body text |
| Black text on #427681 | 4.14:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #427681 text on white | 5.07:1 | AA | Lc 74.9 | Content text, not long reading |
| #427681 text on black | 4.14:1 | AA large text | Lc -26.8 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBED
oklch(93.5% 0.008 216.6)
-
Step 200
200
#CFDCDF
oklch(88.6% 0.015 213.1)
-
Step 300
300
#AEC5CB
oklch(80.8% 0.026 215.2)
-
Step 400
400
#83A8B0
oklch(70.7% 0.042 212.4)
-
Step 500
500
#63929D
oklch(63% 0.053 214)
-
Step 600
600 (this color)
#427681
oklch(53.4% 0.058 212.8)
-
Step 700
700
#396973
oklch(49.1% 0.054 212.6)
-
Step 800
800
#30565E
oklch(42.8% 0.045 212.7)
-
Step 900
900
#2B474D
oklch(37.8% 0.035 212.7)
-
Step 950
950
#1A292D
oklch(26.9% 0.022 216.2)
#427681 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) | #6D7382 | 0.053 |
| Deuteranopia (no green cones) | #636B81 | 0.049 |
| Tritanopia (no blue cones) | #217B79 | 0.033 |
| Achromatopsia (no color) | #6E6E6E | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #427681
#427681
oklch(53.4% 0.058 212.8)
- #8B6157
#8B6157
oklch(53.4% 0.057 33.9)
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 #427681, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.030
- Deep Aqua #08787F ΔE 0.034
- Ocean #017B92 ΔE 0.038
- Bluegreen #017A79 ΔE 0.041
- Teal #008080 ΔE 0.043
- Cerulean #457B9D ΔE 0.044
- Dull Blue #49759C ΔE 0.046
- Deep Turquoise #017374 ΔE 0.046
Use #427681 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.