#306259
Closest named color: Dark Green Blue (#1F6357). oklch(45.8% 0.056 180.5), rgb(48, 98, 89).
Aa
White text reads best on this color (6.96:1).
About this color
#306259 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 46%, its chroma 0.056 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.015 away. White text reads best on it, at 6.96:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.01:1 |
| White text | 6.96:1 |
Values
| HEX | #306259 |
| RGB | rgb(48, 98, 89) |
| HSL | hsl(169, 34%, 29%) |
| OKLCH | oklch(45.8% 0.056 180.5) |
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 #306259 | 6.96:1 | AA | Lc -88.9 | Fine for body text |
| Black text on #306259 | 3.01:1 | AA large text | Lc 20.1 | Dividers and decoration only |
| #306259 text on white | 6.96:1 | AA | Lc 84.0 | Fine for body text |
| #306259 text on black | 3.01:1 | AA large text | Lc -18.0 | 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 800.
-
Step 50
50
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CDDDD9
oklch(88.4% 0.018 179.3)
-
Step 300
300
#ABC8C1
oklch(80.9% 0.033 179.2)
-
Step 400
400
#7CACA2
oklch(70.7% 0.053 180.3)
-
Step 500
500
#59978B
oklch(63.1% 0.067 180.2)
-
Step 600
600
#3C8175
oklch(55.5% 0.073 180.6)
-
Step 700
700
#2D6D62
oklch(49% 0.068 180.4)
-
Step 800
800 (this color)
#306259
oklch(45.8% 0.056 180.5)
-
Step 900
900
#254943
oklch(37.6% 0.043 181.9)
-
Step 950
950
#162B27
oklch(27% 0.028 180.5)
#306259 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) | #5E5D59 | 0.060 |
| Deuteranopia (no green cones) | #56575A | 0.057 |
| Tritanopia (no blue cones) | #19645F | 0.017 |
| Achromatopsia (no color) | #595959 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #306259
#306259
oklch(45.8% 0.056 180.5)
- #724A56
#724A56
oklch(45.8% 0.057 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 #306259, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.015
- Dark Aqua #05696B ΔE 0.033
- Petrol #005F6A ΔE 0.040
- Dark Aquamarine #017371 ΔE 0.055
- Pine #2B5D34 ΔE 0.056
- Deep Teal #00555A ΔE 0.056
- Deep Turquoise #017374 ΔE 0.057
- Slate #516572 ΔE 0.060
Use #306259 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.