#306263
Closest named color: Dark Green Blue (#1F6357). oklch(46.2% 0.054 197.2), rgb(48, 98, 99).
Aa
White text reads best on this color (6.87:1).
About this color
#306263 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 46%, its chroma 0.054 and its hue 197°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.027 away. White text reads best on it, at 6.87:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.05:1 |
| White text | 6.87:1 |
Values
| HEX | #306263 |
| RGB | rgb(48, 98, 99) |
| HSL | hsl(181, 35%, 29%) |
| OKLCH | oklch(46.2% 0.054 197.2) |
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 #306263 | 6.87:1 | AA | Lc -88.6 | Fine for body text |
| Black text on #306263 | 3.05:1 | AA large text | Lc 20.4 | Dividers and decoration only |
| #306263 text on white | 6.87:1 | AA | Lc 83.6 | Fine for body text |
| #306263 text on black | 3.05:1 | AA large text | Lc -18.3 | 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
#E4EBEB
oklch(93.5% 0.007 197)
-
Step 200
200
#CFDCDC
oklch(88.5% 0.014 196.9)
-
Step 300
300
#AEC6C6
oklch(80.9% 0.026 196.6)
-
Step 400
400
#83A9AA
oklch(70.7% 0.041 198.3)
-
Step 500
500
#629495
oklch(63.2% 0.054 197.5)
-
Step 600
600
#477E7F
oklch(55.6% 0.058 197.1)
-
Step 700
700 (this color)
#306263
oklch(46.2% 0.054 197.2)
-
Step 800
800
#2F5757
oklch(42.8% 0.045 195.6)
-
Step 900
900
#2A4748
oklch(37.6% 0.035 198.6)
-
Step 950
950
#192A2A
oklch(27% 0.023 195.9)
#306263 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) | #5C5E63 | 0.056 |
| Deuteranopia (no green cones) | #535763 | 0.052 |
| Tritanopia (no blue cones) | #116562 | 0.022 |
| Achromatopsia (no color) | #5A5A5A | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #306263
#306263
oklch(46.2% 0.054 197.2)
- #744C4E
#744C4E
oklch(46.2% 0.055 16.1)
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 #306263, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.027
- Dark Aqua #05696B ΔE 0.028
- Petrol #005F6A ΔE 0.031
- Slate #516572 ΔE 0.049
- YInMn Blue #415A77 ΔE 0.051
- Dark Aquamarine #017371 ΔE 0.052
- Deep Turquoise #017374 ΔE 0.052
- Deep Teal #00555A ΔE 0.055
Use #306263 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.