#2A5465
Closest named color: Deep Teal (#00555A). oklch(42.3% 0.055 226.7), rgb(42, 84, 101).
Aa
White text reads best on this color (8.22:1).
About this color
#2A5465 is a dark, muted teal or cyan. In OKLCH its lightness is 42%, its chroma 0.055 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.034 away. White text reads best on it, at 8.22:1.
| Hue family | Teals and cyans |
| Lightness | dark (42%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.55:1 |
| White text | 8.22:1 |
Values
| HEX | #2A5465 |
| RGB | rgb(42, 84, 101) |
| HSL | hsl(197, 41%, 28%) |
| OKLCH | oklch(42.3% 0.055 226.7) |
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 #2A5465 | 8.22:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #2A5465 | 2.55:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #2A5465 text on white | 8.22:1 | AAA | Lc 88.3 | Fine for body text |
| #2A5465 text on black | 2.55:1 | Fails | Lc -13.9 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CEDCE2
oklch(88.6% 0.017 225.2)
-
Step 300
300
#ACC5D1
oklch(80.9% 0.032 228.3)
-
Step 400
400
#7FA8B9
oklch(70.8% 0.051 225.3)
-
Step 500
500
#5D92A8
oklch(63.1% 0.065 226.2)
-
Step 600
600
#427C93
oklch(55.6% 0.07 226)
-
Step 700
700
#33687E
oklch(49% 0.066 227.6)
-
Step 800
800 (this color)
#2A5465
oklch(42.3% 0.055 226.7)
-
Step 900
900
#284653
oklch(37.6% 0.042 227.6)
-
Step 950
950
#182931
oklch(27% 0.027 229.2)
#2A5465 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) | #4B5266 | 0.042 |
| Deuteranopia (no green cones) | #424C65 | 0.036 |
| Tritanopia (no blue cones) | #005959 | 0.039 |
| Achromatopsia (no color) | #4F4F4F | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A5465
#2A5465
oklch(42.3% 0.055 226.7)
- #674434
#674434
oklch(42.2% 0.055 45.4)
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 #2A5465, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.034
- Dark Slate Gray #2F4F4F ΔE 0.036
- Petrol #005F6A ΔE 0.037
- Dark Grey Blue #29465B ΔE 0.044
- YInMn Blue #415A77 ΔE 0.045
- Charcoal #264653 ΔE 0.049
- Deep Sea Blue #015482 ΔE 0.052
- Dark Teal #014D4E ΔE 0.053
Use #2A5465 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.