#2D5F73
Closest named color: YInMn Blue (#415A77). oklch(46% 0.063 226.7), rgb(45, 95, 115).
Aa
White text reads best on this color (7.00:1).
About this color
#2D5F73 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 46%, its chroma 0.063 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.027 away. White text reads best on it, at 7.00:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.99:1 |
| White text | 7.00:1 |
Values
| HEX | #2D5F73 |
| RGB | rgb(45, 95, 115) |
| HSL | hsl(197, 44%, 31%) |
| OKLCH | oklch(46% 0.063 226.7) |
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 #2D5F73 | 7.00:1 | AAA | Lc -89.1 | Fine for body text |
| Black text on #2D5F73 | 2.99:1 | Fails | Lc 19.9 | Dividers and decoration only |
| #2D5F73 text on white | 7.00:1 | AAA | Lc 84.1 | Fine for body text |
| #2D5F73 text on black | 2.99:1 | Fails | Lc -17.9 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CEDCE2
oklch(88.6% 0.017 225.2)
-
Step 300
300
#ADC5D0
oklch(80.9% 0.03 227.1)
-
Step 400
400
#81A7B8
oklch(70.6% 0.048 227.1)
-
Step 500
500
#6091A7
oklch(63% 0.062 228)
-
Step 600
600
#457B92
oklch(55.5% 0.068 227.5)
-
Step 700
700 (this color)
#2D5F73
oklch(46% 0.063 226.7)
-
Step 800
800
#2E5565
oklch(42.8% 0.052 226.6)
-
Step 900
900
#294652
oklch(37.7% 0.04 226.3)
-
Step 950
950
#192930
oklch(27% 0.025 227.2)
#2D5F73 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) | #545D74 | 0.047 |
| Deuteranopia (no green cones) | #4A5673 | 0.041 |
| Tritanopia (no blue cones) | #006565 | 0.042 |
| Achromatopsia (no color) | #595959 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D5F73
#2D5F73
oklch(46% 0.063 226.7)
- #754D39
#754D39
oklch(46% 0.063 47.3)
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 #2D5F73, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.027
- Petrol #005F6A ΔE 0.030
- Dark Aqua #05696B ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.042
- Denim #3B638C ΔE 0.045
- Slate #516572 ΔE 0.048
- Dusty Grape #545775 ΔE 0.052
- Dark Green Blue #1F6357 ΔE 0.054
Use #2D5F73 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.