#427073
Closest named color: Slate (#516572). oklch(51.3% 0.051 201), rgb(66, 112, 115).
Aa
White text reads best on this color (5.53:1).
About this color
#427073 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 51%, its chroma 0.051 and its hue 201°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.036 away. White text reads best on it, at 5.53:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.79:1 |
| White text | 5.53:1 |
Values
| HEX | #427073 |
| RGB | rgb(66, 112, 115) |
| HSL | hsl(184, 27%, 35%) |
| OKLCH | oklch(51.3% 0.051 201) |
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 #427073 | 5.53:1 | AA | Lc -82.8 | Fine for body text |
| Black text on #427073 | 3.79:1 | AA large text | Lc 26.5 | Dividers and decoration only |
| #427073 text on white | 5.53:1 | AA | Lc 77.5 | Fine for body text |
| #427073 text on black | 3.79:1 | AA large text | Lc -24.2 | 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 700.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEC
oklch(93.6% 0.007 208.8)
-
Step 200
200
#CFDCDD
oklch(88.5% 0.014 202.4)
-
Step 300
300
#AFC6C7
oklch(81% 0.025 199.9)
-
Step 400
400
#84A8AB
oklch(70.6% 0.039 202.6)
-
Step 500
500
#659396
oklch(63.1% 0.05 201.1)
-
Step 600
600
#4B7D80
oklch(55.6% 0.054 200.6)
-
Step 700
700 (this color)
#427073
oklch(51.3% 0.051 201)
-
Step 800
800
#325658
oklch(42.7% 0.042 200.3)
-
Step 900
900
#2C4749
oklch(37.7% 0.033 201.8)
-
Step 950
950
#1A2A2B
oklch(27.1% 0.021 200.9)
#427073 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) | #6A6C73 | 0.052 |
| Deuteranopia (no green cones) | #616673 | 0.047 |
| Tritanopia (no blue cones) | #2C7371 | 0.022 |
| Achromatopsia (no color) | #696969 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #427073
#427073
oklch(51.3% 0.051 201)
- #825C5A
#825C5A
oklch(51.4% 0.05 22.4)
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 #427073, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.036
- Deep Turquoise #017374 ΔE 0.037
- Deep Aqua #08787F ΔE 0.038
- Dark Aquamarine #017371 ΔE 0.038
- Bluegreen #017A79 ΔE 0.041
- Metallic Blue #4F738E ΔE 0.047
- Dark Aqua #05696B ΔE 0.050
- Dim Gray #696969 ΔE 0.051
Use #427073 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.