#2A5A69
Closest named color: Petrol (#005F6A). oklch(44.1% 0.057 220.9), rgb(42, 90, 105).
Aa
White text reads best on this color (7.59:1).
About this color
#2A5A69 is a dark, muted teal or cyan. In OKLCH its lightness is 44%, its chroma 0.057 and its hue 221°. 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 7.59:1.
| Hue family | Teals and cyans |
| Lightness | dark (44%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.76:1 |
| White text | 7.59:1 |
Values
| HEX | #2A5A69 |
| RGB | rgb(42, 90, 105) |
| HSL | hsl(194, 43%, 29%) |
| OKLCH | oklch(44.1% 0.057 220.9) |
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 #2A5A69 | 7.59:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #2A5A69 | 2.76:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #2A5A69 text on white | 7.59:1 | AAA | Lc 86.2 | Fine for body text |
| #2A5A69 text on black | 2.76:1 | Fails | Lc -15.8 | 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
#E3EBEE
oklch(93.5% 0.009 222.1)
-
Step 200
200
#CCDCE2
oklch(88.4% 0.019 222.2)
-
Step 300
300
#AAC6D0
oklch(80.9% 0.033 221.4)
-
Step 400
400
#7BA9B8
oklch(70.7% 0.054 220)
-
Step 500
500
#5893A7
oklch(63.1% 0.068 221.8)
-
Step 600
600
#3B7D92
oklch(55.5% 0.074 221.5)
-
Step 700
700
#2C6A7C
oklch(49.2% 0.069 220)
-
Step 800
800 (this color)
#2A5A69
oklch(44.1% 0.057 220.9)
-
Step 900
900
#244752
oklch(37.6% 0.045 220.5)
-
Step 950
950
#162A30
oklch(27.1% 0.028 219)
#2A5A69 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) | #51586A | 0.048 |
| Deuteranopia (no green cones) | #485169 | 0.043 |
| Tritanopia (no blue cones) | #005F5F | 0.035 |
| Achromatopsia (no color) | #545454 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A5A69
#2A5A69
oklch(44.1% 0.057 220.9)
- #6E483A
#6E483A
oklch(44.1% 0.057 41)
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 #2A5A69, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.024
- YInMn Blue #415A77 ΔE 0.037
- Deep Teal #00555A ΔE 0.040
- Dark Slate Gray #2F4F4F ΔE 0.047
- Dark Aqua #05696B ΔE 0.048
- Dark Green Blue #1F6357 ΔE 0.049
- Light Navy Blue #2E5A88 ΔE 0.053
- Deep Sea Blue #015482 ΔE 0.055
Use #2A5A69 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.