#2A6364
Closest named color: Dark Aqua (#05696B). oklch(46.2% 0.059 196.9), rgb(42, 99, 100).
Aa
White text reads best on this color (6.84:1).
About this color
#2A6364 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 46%, its chroma 0.059 and its hue 197°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aqua (#05696B), ΔE 0.023 away. White text reads best on it, at 6.84:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Dark Aqua (#05696B) |
| Black text | 3.06:1 |
| White text | 6.84:1 |
Values
| HEX | #2A6364 |
| RGB | rgb(42, 99, 100) |
| HSL | hsl(181, 41%, 28%) |
| OKLCH | oklch(46.2% 0.059 196.9) |
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 #2A6364 | 6.84:1 | AA | Lc -88.5 | Fine for body text |
| Black text on #2A6364 | 3.06:1 | AA large text | Lc 20.6 | Dividers and decoration only |
| #2A6364 text on white | 6.84:1 | AA | Lc 83.5 | Fine for body text |
| #2A6364 text on black | 3.06:1 | AA large text | Lc -18.5 | 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
#E4ECEC
oklch(93.7% 0.009 197)
-
Step 200
200
#CEDDDD
oklch(88.6% 0.016 196.9)
-
Step 300
300
#ACC7C7
oklch(81% 0.029 196.6)
-
Step 400
400
#7FAAAA
oklch(70.7% 0.046 196.2)
-
Step 500
500
#5D9596
oklch(63.2% 0.059 197.2)
-
Step 600
600
#417F80
oklch(55.6% 0.064 196.8)
-
Step 700
700 (this color)
#2A6364
oklch(46.2% 0.059 196.9)
-
Step 800
800
#2B5758
oklch(42.6% 0.049 197.4)
-
Step 900
900
#284848
oklch(37.7% 0.038 195.7)
-
Step 950
950
#182A2A
oklch(26.9% 0.024 195.8)
#2A6364 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) | #5D5F64 | 0.062 |
| Deuteranopia (no green cones) | #535764 | 0.058 |
| Tritanopia (no blue cones) | #006663 | 0.021 |
| Achromatopsia (no color) | #5A5A5A | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A6364
#2A6364
oklch(46.2% 0.059 196.9)
- #764B4D
#764B4D
oklch(46.2% 0.059 16.6)
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 #2A6364, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aqua #05696B ΔE 0.023
- Dark Green Blue #1F6357 ΔE 0.024
- Petrol #005F6A ΔE 0.028
- Dark Aquamarine #017371 ΔE 0.048
- Deep Turquoise #017374 ΔE 0.049
- Slate #516572 ΔE 0.052
- YInMn Blue #415A77 ΔE 0.054
- Deep Teal #00555A ΔE 0.055
Use #2A6364 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.