#427883
Closest named color: Metallic Blue (#4F738E). oklch(54% 0.06 212.3), rgb(66, 120, 131).
Aa
White text reads best on this color (4.94:1).
About this color
#427883 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 54%, its chroma 0.060 and its hue 212°. 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 4.94:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.24:1 |
| White text | 4.94:1 |
Values
| HEX | #427883 |
| RGB | rgb(66, 120, 131) |
| HSL | hsl(190, 33%, 39%) |
| OKLCH | oklch(54% 0.06 212.3) |
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 #427883 | 4.94:1 | AA | Lc -79.5 | Fine for body text |
| Black text on #427883 | 4.24:1 | AA large text | Lc 30.0 | Dividers and decoration only |
| #427883 text on white | 4.94:1 | AA | Lc 74.1 | Content text, not long reading |
| #427883 text on black | 4.24:1 | AA large text | Lc -27.6 | 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
#AEC6CB
oklch(81% 0.027 211.6)
-
Step 400
400
#82A8B0
oklch(70.6% 0.043 212)
-
Step 500
500
#61939D
oklch(63.2% 0.056 211.5)
-
Step 600
600 (this color)
#427883
oklch(54% 0.06 212.3)
-
Step 700
700
#386973
oklch(49% 0.055 212.4)
-
Step 800
800
#2F565E
oklch(42.8% 0.046 212.3)
-
Step 900
900
#2A474D
oklch(37.8% 0.036 212.2)
-
Step 950
950
#19292D
oklch(26.9% 0.023 215.1)
#427883 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) | #6F7584 | 0.055 |
| Deuteranopia (no green cones) | #656D83 | 0.050 |
| Tritanopia (no blue cones) | #1F7D7B | 0.034 |
| Achromatopsia (no color) | #707070 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #427883
#427883
oklch(54% 0.06 212.3)
- #8E6259
#8E6259
oklch(54% 0.059 31.9)
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 #427883, 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 0.035
- Ocean #017B92 ΔE 0.037
- Teal #008080 ΔE 0.040
- Cerulean #457B9D ΔE 0.041
- Bluegreen #017A79 ΔE 0.041
- Stormy Blue #507B9C ΔE 0.043
- Dull Blue #49759C ΔE 0.045
Use #427883 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.