#2A6778
Closest named color: Dark Aqua (#05696B). oklch(48.1% 0.068 219.1), rgb(42, 103, 120).
Aa
White text reads best on this color (6.34:1).
About this color
#2A6778 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 48%, its chroma 0.068 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aqua (#05696B), ΔE 0.031 away. White text reads best on it, at 6.34:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Dark Aqua (#05696B) |
| Black text | 3.30:1 |
| White text | 6.34:1 |
Values
| HEX | #2A6778 |
| RGB | rgb(42, 103, 120) |
| HSL | hsl(193, 48%, 32%) |
| OKLCH | oklch(48.1% 0.068 219.1) |
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 #2A6778 | 6.34:1 | AA | Lc -86.5 | Fine for body text |
| Black text on #2A6778 | 3.30:1 | AA large text | Lc 22.7 | Dividers and decoration only |
| #2A6778 text on white | 6.34:1 | AA | Lc 81.4 | Fine for body text |
| #2A6778 text on black | 3.30:1 | AA large text | Lc -20.5 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3EBEE
oklch(93.5% 0.009 222.1)
-
Step 200
200
#CDDCE1
oklch(88.5% 0.018 219.7)
-
Step 300
300
#AAC6CF
oklch(80.9% 0.033 219.2)
-
Step 400
400
#7CA9B7
oklch(70.7% 0.052 219)
-
Step 500
500
#5893A5
oklch(63% 0.067 219.5)
-
Step 600
600
#3C7D90
oklch(55.5% 0.072 219.5)
-
Step 700
700 (this color)
#2A6778
oklch(48.1% 0.068 219.1)
-
Step 800
800
#275664
oklch(42.6% 0.056 220)
-
Step 900
900
#254751
oklch(37.7% 0.043 219)
-
Step 950
950
#162A30
oklch(27.1% 0.028 219)
#2A6778 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) | #5C6479 | 0.057 |
| Deuteranopia (no green cones) | #515C78 | 0.051 |
| Tritanopia (no blue cones) | #006D6C | 0.036 |
| Achromatopsia (no color) | #5F5F5F | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A6778
#2A6778
oklch(48.1% 0.068 219.1)
- #7F5041
#7F5041
oklch(48% 0.068 38.5)
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 #2A6778, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aqua #05696B ΔE 0.031
- Petrol #005F6A ΔE 0.040
- Slate #516572 ΔE 0.041
- Deep Turquoise #017374 ΔE 0.042
- Denim #3B638C ΔE 0.042
- YInMn Blue #415A77 ΔE 0.043
- Dark Aquamarine #017371 ΔE 0.045
- Peacock Blue #016795 ΔE 0.049
Use #2A6778 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.