#427985
Closest named color: Metallic Blue (#4F738E). oklch(54.3% 0.061 213.4), rgb(66, 121, 133).
Aa
White text reads best on this color (4.87:1).
About this color
#427985 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 54%, its chroma 0.061 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 4.87:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.30:1 |
| White text | 4.87:1 |
Values
| HEX | #427985 |
| RGB | rgb(66, 121, 133) |
| HSL | hsl(191, 34%, 39%) |
| OKLCH | oklch(54.3% 0.061 213.4) |
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 #427985 | 4.87:1 | AA | Lc -79.1 | Fine for body text |
| Black text on #427985 | 4.30:1 | AA large text | Lc 30.4 | Non-text elements, placeholder text |
| #427985 text on white | 4.87:1 | AA | Lc 73.7 | Content text, not long reading |
| #427985 text on black | 4.30:1 | AA large text | Lc -28.0 | 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
#CEDCDF
oklch(88.5% 0.016 212)
-
Step 300
300
#ADC6CB
oklch(80.9% 0.028 211.1)
-
Step 400
400
#82A8B1
oklch(70.7% 0.043 213.8)
-
Step 500
500
#61939E
oklch(63.2% 0.056 213)
-
Step 600
600 (this color)
#427985
oklch(54.3% 0.061 213.4)
-
Step 700
700
#376974
oklch(49% 0.057 213.7)
-
Step 800
800
#2E565F
oklch(42.8% 0.047 213.9)
-
Step 900
900
#2A474D
oklch(37.8% 0.036 212.2)
-
Step 950
950
#19292D
oklch(26.9% 0.023 215.1)
#427985 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) | #707686 | 0.056 |
| Deuteranopia (no green cones) | #656E85 | 0.050 |
| Tritanopia (no blue cones) | #1C7E7D | 0.034 |
| Achromatopsia (no color) | #717171 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #427985
#427985
oklch(54.3% 0.061 213.4)
- #906358
#906358
oklch(54.4% 0.061 34.3)
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 #427985, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.030
- Ocean #017B92 ΔE 0.036
- Deep Aqua #08787F ΔE 0.037
- Cerulean #457B9D ΔE 0.038
- Teal #008080 ΔE 0.040
- Stormy Blue #507B9C ΔE 0.041
- Bluegreen #017A79 ΔE 0.042
- Dull Blue #49759C ΔE 0.043
Use #427985 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.