#2D645B
Closest named color: Dark Green Blue (#1F6357). oklch(46.3% 0.06 181.4), rgb(45, 100, 91).
Aa
White text reads best on this color (6.80:1).
About this color
#2D645B is a medium-dark, muted teal or cyan. In OKLCH its lightness is 46%, its chroma 0.060 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.014 away. White text reads best on it, at 6.80:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.08:1 |
| White text | 6.80:1 |
Values
| HEX | #2D645B |
| RGB | rgb(45, 100, 91) |
| HSL | hsl(170, 38%, 28%) |
| OKLCH | oklch(46.3% 0.06 181.4) |
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 #2D645B | 6.80:1 | AA | Lc -88.3 | Fine for body text |
| Black text on #2D645B | 3.08:1 | AA large text | Lc 20.7 | Dividers and decoration only |
| #2D645B text on white | 6.80:1 | AA | Lc 83.3 | Fine for body text |
| #2D645B text on black | 3.08:1 | AA large text | Lc -18.6 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECEA
oklch(93.6% 0.009 179.6)
-
Step 200
200
#CEDDDA
oklch(88.5% 0.017 182.7)
-
Step 300
300
#ADC7C2
oklch(80.9% 0.029 182.7)
-
Step 400
400
#81ABA2
oklch(70.8% 0.047 180.2)
-
Step 500
500
#5F968C
oklch(63.2% 0.06 181.5)
-
Step 600
600
#448076
oklch(55.6% 0.065 181.8)
-
Step 700
700 (this color)
#2D645B
oklch(46.3% 0.06 181.4)
-
Step 800
800
#2D5851
oklch(42.7% 0.05 182.1)
-
Step 900
900
#294843
oklch(37.6% 0.038 182.8)
-
Step 950
950
#182A27
oklch(26.8% 0.024 182.8)
#2D645B 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) | #605F5B | 0.064 |
| Deuteranopia (no green cones) | #57585C | 0.061 |
| Tritanopia (no blue cones) | #0E6661 | 0.018 |
| Achromatopsia (no color) | #5B5B5B | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D645B
#2D645B
oklch(46.3% 0.06 181.4)
- #754A57
#754A57
oklch(46.2% 0.061 0.1)
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 #2D645B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.014
- Dark Aqua #05696B ΔE 0.029
- Petrol #005F6A ΔE 0.040
- Dark Aquamarine #017371 ΔE 0.049
- Deep Turquoise #017374 ΔE 0.051
- Pine #2B5D34 ΔE 0.058
- Slate #516572 ΔE 0.059
- Deep Teal #00555A ΔE 0.059
Use #2D645B 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.