#2A6063
Closest named color: Petrol (#005F6A). oklch(45.4% 0.057 200.2), rgb(42, 96, 99).
Aa
White text reads best on this color (7.11:1).
About this color
#2A6063 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.057 and its hue 200°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.024 away. White text reads best on it, at 7.11:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.95:1 |
| White text | 7.11:1 |
Values
| HEX | #2A6063 |
| RGB | rgb(42, 96, 99) |
| HSL | hsl(183, 40%, 28%) |
| OKLCH | oklch(45.4% 0.057 200.2) |
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 #2A6063 | 7.11:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #2A6063 | 2.95:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #2A6063 text on white | 7.11:1 | AAA | Lc 84.5 | Fine for body text |
| #2A6063 text on black | 2.95:1 | Fails | Lc -17.5 | 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 800.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECEC
oklch(93.6% 0.01 197)
-
Step 200
200
#CCDDDE
oklch(88.5% 0.018 201.1)
-
Step 300
300
#A9C8C9
oklch(81% 0.033 198.9)
-
Step 400
400
#79ABAE
oklch(70.7% 0.053 200.7)
-
Step 500
500
#53969A
oklch(63% 0.068 200.6)
-
Step 600
600
#358085
oklch(55.5% 0.074 201.3)
-
Step 700
700
#266C70
oklch(49% 0.069 200.5)
-
Step 800
800 (this color)
#2A6063
oklch(45.4% 0.057 200.2)
-
Step 900
900
#22494B
oklch(37.8% 0.044 199.9)
-
Step 950
950
#152B2C
oklch(27.1% 0.028 199.4)
#2A6063 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) | #5A5C63 | 0.059 |
| Deuteranopia (no green cones) | #505563 | 0.054 |
| Tritanopia (no blue cones) | #006361 | 0.022 |
| Achromatopsia (no color) | #585858 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A6063
#2A6063
oklch(45.4% 0.057 200.2)
- #734949
#734949
oklch(45.3% 0.058 19.6)
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 #2A6063, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.024
- Dark Green Blue #1F6357 ΔE 0.027
- Dark Aqua #05696B ΔE 0.029
- Deep Teal #00555A ΔE 0.047
- YInMn Blue #415A77 ΔE 0.050
- Dark Slate Gray #2F4F4F ΔE 0.055
- Slate #516572 ΔE 0.055
- Dark Aquamarine #017371 ΔE 0.057
Use #2A6063 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.