#42767D
Closest named color: Deep Aqua (#08787F). oklch(53.2% 0.057 206.8), rgb(66, 118, 125).
Aa
White text reads best on this color (5.09:1).
About this color
#42767D is a medium-dark, muted teal or cyan. In OKLCH its lightness is 53%, its chroma 0.057 and its hue 207°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.033 away. White text reads best on it, at 5.09:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 4.11:1 |
| White text | 5.09:1 |
Values
| HEX | #42767D |
| RGB | rgb(66, 118, 125) |
| HSL | hsl(187, 31%, 37%) |
| OKLCH | oklch(53.2% 0.057 206.8) |
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 #42767D | 5.09:1 | AA | Lc -80.5 | Fine for body text |
| Black text on #42767D | 4.11:1 | AA large text | Lc 29.0 | Dividers and decoration only |
| #42767D text on white | 5.09:1 | AA | Lc 75.1 | Fine for body text |
| #42767D text on black | 4.11:1 | AA large text | Lc -26.7 | 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
#E4EBEC
oklch(93.5% 0.008 207.1)
-
Step 200
200
#CFDCDE
oklch(88.5% 0.014 207.9)
-
Step 300
300
#AFC6C9
oklch(81% 0.025 206.2)
-
Step 400
400
#83A8AD
oklch(70.6% 0.041 206.5)
-
Step 500
500
#639399
oklch(63.1% 0.052 205.8)
-
Step 600
600 (this color)
#42767D
oklch(53.2% 0.057 206.8)
-
Step 700
700
#3A6970
oklch(49% 0.052 207.9)
-
Step 800
800
#30565B
oklch(42.7% 0.044 206.5)
-
Step 900
900
#2B474B
oklch(37.7% 0.034 207.2)
-
Step 950
950
#1A2A2C
oklch(27.2% 0.022 205.8)
#42767D 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) | #6E727D | 0.055 |
| Deuteranopia (no green cones) | #656B7D | 0.051 |
| Tritanopia (no blue cones) | #247A78 | 0.028 |
| Achromatopsia (no color) | #6E6E6E | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42767D
#42767D
oklch(53.2% 0.057 206.8)
- #8B605B
#8B605B
oklch(53.3% 0.057 26.5)
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 #42767D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.033
- Metallic Blue #4F738E ΔE 0.035
- Bluegreen #017A79 ΔE 0.037
- Teal #008080 ΔE 0.041
- Ocean #017B92 ΔE 0.042
- Deep Turquoise #017374 ΔE 0.043
- Dark Aquamarine #017371 ΔE 0.045
- Slate #516572 ΔE 0.050
Use #42767D 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.