#2F645F
Closest named color: Dark Green Blue (#1F6357). oklch(46.5% 0.057 187.3), rgb(47, 100, 95).
Aa
White text reads best on this color (6.75:1).
About this color
#2F645F is a medium-dark, muted teal or cyan. In OKLCH its lightness is 47%, its chroma 0.057 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.020 away. White text reads best on it, at 6.75:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.10:1 |
| White text | 6.75:1 |
Values
| HEX | #2F645F |
| RGB | rgb(47, 100, 95) |
| HSL | hsl(174, 36%, 29%) |
| OKLCH | oklch(46.5% 0.057 187.3) |
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 #2F645F | 6.75:1 | AA | Lc -88.2 | Fine for body text |
| Black text on #2F645F | 3.10:1 | AA large text | Lc 20.9 | Dividers and decoration only |
| #2F645F text on white | 6.75:1 | AA | Lc 83.1 | Fine for body text |
| #2F645F text on black | 3.10:1 | AA large text | Lc -18.8 | 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 700.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEB
oklch(93.7% 0.009 188.1)
-
Step 200
200
#CEDDDB
oklch(88.6% 0.016 187.3)
-
Step 300
300
#ADC7C4
oklch(80.9% 0.028 188.2)
-
Step 400
400
#82AAA5
oklch(70.7% 0.044 186.8)
-
Step 500
500
#60958F
oklch(63.1% 0.057 186.8)
-
Step 600
600
#457F79
oklch(55.5% 0.062 186.9)
-
Step 700
700 (this color)
#2F645F
oklch(46.5% 0.057 187.3)
-
Step 800
800
#2E5853
oklch(42.8% 0.048 185.7)
-
Step 900
900
#2A4845
oklch(37.7% 0.036 187.7)
-
Step 950
950
#192A28
oklch(26.9% 0.023 186.7)
#2F645F 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) | #5F5F5F | 0.061 |
| Deuteranopia (no green cones) | #565960 | 0.056 |
| Tritanopia (no blue cones) | #116662 | 0.018 |
| Achromatopsia (no color) | #5B5B5B | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F645F
#2F645F
oklch(46.5% 0.057 187.3)
- #764C54
#764C54
oklch(46.6% 0.058 7.1)
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 #2F645F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.020
- Dark Aqua #05696B ΔE 0.026
- Petrol #005F6A ΔE 0.038
- Dark Aquamarine #017371 ΔE 0.047
- Deep Turquoise #017374 ΔE 0.049
- Slate #516572 ΔE 0.053
- Deep Teal #00555A ΔE 0.060
- YInMn Blue #415A77 ΔE 0.062
Use #2F645F 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.