#306881
Closest named color: Denim (#3B638C). oklch(49% 0.071 229.8), rgb(48, 104, 129).
Aa
White text reads best on this color (6.13:1).
About this color
#306881 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 49%, its chroma 0.071 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.029 away. White text reads best on it, at 6.13:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.42:1 |
| White text | 6.13:1 |
Values
| HEX | #306881 |
| RGB | rgb(48, 104, 129) |
| HSL | hsl(199, 46%, 35%) |
| OKLCH | oklch(49% 0.071 229.8) |
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 #306881 | 6.13:1 | AA | Lc -85.6 | Fine for body text |
| Black text on #306881 | 3.42:1 | AA large text | Lc 23.6 | Dividers and decoration only |
| #306881 text on white | 6.13:1 | AA | Lc 80.4 | Fine for body text |
| #306881 text on black | 3.42:1 | AA large text | Lc -21.4 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBEF
oklch(93.5% 0.01 228.9)
-
Step 200
200
#CDDCE3
oklch(88.5% 0.019 227.3)
-
Step 300
300
#ABC5D3
oklch(80.8% 0.034 231.3)
-
Step 400
400
#7DA8BC
oklch(70.8% 0.055 228.3)
-
Step 500
500
#5B92AC
oklch(63.2% 0.07 229.7)
-
Step 600
600
#3F7C97
oklch(55.7% 0.076 229.1)
-
Step 700
700 (this color)
#306881
oklch(49% 0.071 229.8)
-
Step 800
800
#295569
oklch(42.7% 0.059 229.8)
-
Step 900
900
#264655
oklch(37.6% 0.046 229.9)
-
Step 950
950
#172932
oklch(27% 0.029 231)
#306881 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) | #5B6682 | 0.050 |
| Deuteranopia (no green cones) | #505E81 | 0.044 |
| Tritanopia (no blue cones) | #006F70 | 0.047 |
| Achromatopsia (no color) | #626262 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #306881
#306881
oklch(49% 0.071 229.8)
- #81543B
#81543B
oklch(49% 0.071 49.5)
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 #306881, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.029
- Peacock Blue #016795 ΔE 0.039
- Slate #516572 ΔE 0.040
- Sea Blue #047495 ΔE 0.042
- YInMn Blue #415A77 ΔE 0.042
- Ocean Blue #03719C ΔE 0.046
- Dark Aqua #05696B ΔE 0.046
- Light Navy Blue #2E5A88 ΔE 0.048
Use #306881 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.