#0D646B
Closest named color: Dark Aqua (#05696B). oklch(46% 0.075 203.6), rgb(13, 100, 107).
Aa
White text reads best on this color (6.88:1).
About this color
#0D646B is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 46%, its chroma 0.075 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aqua (#05696B), ΔE 0.016 away. White text reads best on it, at 6.88:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Dark Aqua (#05696B) |
| Black text | 3.05:1 |
| White text | 6.88:1 |
Values
| HEX | #0D646B |
| RGB | rgb(13, 100, 107) |
| HSL | hsl(184, 78%, 24%) |
| OKLCH | oklch(46% 0.075 203.6) |
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 #0D646B | 6.88:1 | AA | Lc -88.4 | Fine for body text |
| Black text on #0D646B | 3.05:1 | AA large text | Lc 20.7 | Dividers and decoration only |
| #0D646B text on white | 6.88:1 | AA | Lc 83.4 | Fine for body text |
| #0D646B text on black | 3.05:1 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECED
oklch(93.6% 0.011 204.1)
-
Step 200
200
#CBDDDF
oklch(88.5% 0.019 204.8)
-
Step 300
300
#A6C8CB
oklch(80.9% 0.037 203)
-
Step 400
400
#75ACB1
oklch(70.8% 0.058 203.1)
-
Step 500
500
#4D979E
oklch(63.2% 0.074 203.6)
-
Step 600
600
#2B8189
oklch(55.6% 0.081 204)
-
Step 700
700 (this color)
#0D646B
oklch(46% 0.075 203.6)
-
Step 800
800
#1B595E
oklch(42.7% 0.062 202.8)
-
Step 900
900
#1D494D
oklch(37.6% 0.049 203.4)
-
Step 950
950
#122B2D
oklch(27% 0.031 202.3)
#0D646B 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) | #5B5F6C | 0.075 |
| Deuteranopia (no green cones) | #4F566B | 0.069 |
| Tritanopia (no blue cones) | #006966 | 0.020 |
| Achromatopsia (no color) | #5A5A5A | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D646B
#0D646B
oklch(46% 0.075 203.6)
- #7D4744
#7D4744
oklch(46.1% 0.075 23.8)
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 #0D646B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aqua #05696B ΔE 0.016
- Petrol #005F6A ΔE 0.017
- Dark Green Blue #1F6357 ΔE 0.032
- Deep Turquoise #017374 ΔE 0.046
- Dark Aquamarine #017371 ΔE 0.046
- Deep Teal #00555A ΔE 0.051
- YInMn Blue #415A77 ΔE 0.057
- Slate #516572 ΔE 0.062
Use #0D646B 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.