#2A5362
Closest named color: Dark Slate Gray (#2F4F4F). oklch(41.9% 0.052 224.1), rgb(42, 83, 98).
Aa
White text reads best on this color (8.35:1).
About this color
#2A5362 is a dark, muted teal or cyan. In OKLCH its lightness is 42%, its chroma 0.052 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.031 away. White text reads best on it, at 8.35:1.
| Hue family | Teals and cyans |
| Lightness | dark (42%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.51:1 |
| White text | 8.35:1 |
Values
| HEX | #2A5362 |
| RGB | rgb(42, 83, 98) |
| HSL | hsl(196, 40%, 27%) |
| OKLCH | oklch(41.9% 0.052 224.1) |
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 #2A5362 | 8.35:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #2A5362 | 2.51:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #2A5362 text on white | 8.35:1 | AAA | Lc 88.7 | Fine for body text |
| #2A5362 text on black | 2.51:1 | Fails | Lc -13.5 | Not readable |
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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CEDCE1
oklch(88.5% 0.017 221.1)
-
Step 300
300
#ACC5CF
oklch(80.8% 0.031 223.9)
-
Step 400
400
#80A8B7
oklch(70.8% 0.049 222.9)
-
Step 500
500
#5E92A6
oklch(63.1% 0.063 224.3)
-
Step 600
600
#437C91
oklch(55.6% 0.068 224.2)
-
Step 700
700
#34687B
oklch(48.9% 0.063 224.3)
-
Step 800
800 (this color)
#2A5362
oklch(41.9% 0.052 224.1)
-
Step 900
900
#284652
oklch(37.6% 0.041 225.6)
-
Step 950
950
#182930
oklch(26.9% 0.026 225.8)
#2A5362 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) | #4B5163 | 0.042 |
| Deuteranopia (no green cones) | #424B62 | 0.037 |
| Tritanopia (no blue cones) | #025858 | 0.036 |
| Achromatopsia (no color) | #4E4E4E | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A5362
#2A5362
oklch(41.9% 0.052 224.1)
- #654435
#654435
oklch(42% 0.052 45.3)
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 #2A5362, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.031
- Deep Teal #00555A ΔE 0.031
- Petrol #005F6A ΔE 0.039
- Dark Grey Blue #29465B ΔE 0.041
- Charcoal #264653 ΔE 0.045
- Dark Teal #014D4E ΔE 0.049
- YInMn Blue #415A77 ΔE 0.049
- Dark Blue Green #005249 ΔE 0.053
Use #2A5362 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.