#306556
Closest named color: Dark Green Blue (#1F6357). oklch(46.6% 0.062 172.7), rgb(48, 101, 86).
Aa
White text reads best on this color (6.72:1).
About this color
#306556 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 47%, its chroma 0.062 and its hue 173°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.016 away. White text reads best on it, at 6.72:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.12:1 |
| White text | 6.72:1 |
Values
| HEX | #306556 |
| RGB | rgb(48, 101, 86) |
| HSL | hsl(163, 36%, 29%) |
| OKLCH | oklch(46.6% 0.062 172.7) |
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 #306556 | 6.72:1 | AA | Lc -88.1 | Fine for body text |
| Black text on #306556 | 3.12:1 | AA large text | Lc 21.0 | Dividers and decoration only |
| #306556 text on white | 6.72:1 | AA | Lc 83.0 | Fine for body text |
| #306556 text on black | 3.12:1 | AA large text | Lc -18.9 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CFDDD8
oklch(88.6% 0.016 172.6)
-
Step 300
300
#AEC7BF
oklch(80.9% 0.029 174.3)
-
Step 400
400
#82AB9D
oklch(70.7% 0.049 171.9)
-
Step 500
500
#619686
oklch(63.1% 0.062 173.2)
-
Step 600
600
#46806F
oklch(55.5% 0.067 172.8)
-
Step 700
700 (this color)
#306556
oklch(46.6% 0.062 172.7)
-
Step 800
800
#2F584C
oklch(42.6% 0.051 172.9)
-
Step 900
900
#2A493F
oklch(37.8% 0.041 171.5)
-
Step 950
950
#192B25
oklch(27.1% 0.026 171.3)
#306556 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) | #625F55 | 0.065 |
| Deuteranopia (no green cones) | #5A5957 | 0.062 |
| Tritanopia (no blue cones) | #1A6661 | 0.021 |
| Achromatopsia (no color) | #5C5C5C | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #306556
#306556
oklch(46.6% 0.062 172.7)
- #754B5D
#754B5D
oklch(46.6% 0.062 352.5)
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 #306556, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.016
- Dark Aqua #05696B ΔE 0.035
- Petrol #005F6A ΔE 0.049
- Dark Aquamarine #017371 ΔE 0.050
- Pine #2B5D34 ΔE 0.052
- Deep Turquoise #017374 ΔE 0.053
- Spruce #0A5F38 ΔE 0.056
- Slate #516572 ΔE 0.064
Use #306556 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.