#42796B
Closest named color: Bluegreen (#017A79). oklch(53.4% 0.063 175.4), rgb(66, 121, 107).
Aa
White text reads best on this color (5.02:1).
About this color
#42796B is a medium-dark, muted teal or cyan. In OKLCH its lightness is 53%, its chroma 0.063 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.037 away. White text reads best on it, at 5.02:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Bluegreen (#017A79) |
| Black text | 4.17:1 |
| White text | 5.02:1 |
Values
| HEX | #42796B |
| RGB | rgb(66, 121, 107) |
| HSL | hsl(165, 29%, 37%) |
| OKLCH | oklch(53.4% 0.063 175.4) |
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 #42796B | 5.02:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #42796B | 4.17:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #42796B text on white | 5.02:1 | AA | Lc 74.6 | Content text, not long reading |
| #42796B text on black | 4.17:1 | AA large text | Lc -27.1 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5ECE9
oklch(93.7% 0.008 168.7)
-
Step 200
200
#CFDDD8
oklch(88.6% 0.016 172.6)
-
Step 300
300
#AFC7C0
oklch(81% 0.028 176.2)
-
Step 400
400
#83AA9F
oklch(70.6% 0.045 175.8)
-
Step 500
500
#639588
oklch(63% 0.057 176.2)
-
Step 600
600 (this color)
#42796B
oklch(53.4% 0.063 175.4)
-
Step 700
700
#3A6C5F
oklch(49.2% 0.059 175)
-
Step 800
800
#30584E
oklch(42.8% 0.049 175.9)
-
Step 900
900
#2B4841
oklch(37.6% 0.037 177.2)
-
Step 950
950
#1A2A26
oklch(26.9% 0.023 177.2)
#42796B 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) | #75736A | 0.065 |
| Deuteranopia (no green cones) | #6C6C6C | 0.063 |
| Tritanopia (no blue cones) | #2E7A75 | 0.020 |
| Achromatopsia (no color) | #6F6F6F | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42796B
#42796B
oklch(53.4% 0.063 175.4)
- #8B5E6E
#8B5E6E
oklch(53.5% 0.063 356.4)
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 #42796B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.037
- Teal #008080 ΔE 0.040
- Deep Aqua #08787F ΔE 0.043
- Dark Aquamarine #017371 ΔE 0.045
- Deep Turquoise #017374 ΔE 0.046
- Dark Sage #598556 ΔE 0.061
- Dark Cyan #008B8B ΔE 0.062
- Battleship Gray #6C757D ΔE 0.064
Use #42796B 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.