#316783
Closest named color: Denim (#3B638C). oklch(48.9% 0.073 233.6), rgb(49, 103, 131).
Aa
White text reads best on this color (6.17:1).
About this color
#316783 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.073 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.024 away. White text reads best on it, at 6.17:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.39:1 |
| White text | 6.17:1 |
Values
| HEX | #316783 |
| RGB | rgb(49, 103, 131) |
| HSL | hsl(200, 46%, 35%) |
| OKLCH | oklch(48.9% 0.073 233.6) |
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 #316783 | 6.17:1 | AA | Lc -85.8 | Fine for body text |
| Black text on #316783 | 3.39:1 | AA large text | Lc 23.4 | Dividers and decoration only |
| #316783 text on white | 6.17:1 | AA | Lc 80.6 | Fine for body text |
| #316783 text on black | 3.39:1 | AA large text | Lc -21.2 | 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
#E4EBF0
oklch(93.6% 0.01 238.5)
-
Step 200
200
#CDDCE4
oklch(88.6% 0.02 230.7)
-
Step 300
300
#ABC5D4
oklch(80.9% 0.035 233.2)
-
Step 400
400
#7EA7BF
oklch(70.7% 0.057 234.3)
-
Step 500
500
#5C91AE
oklch(63.1% 0.071 233.5)
-
Step 600
600
#407B9A
oklch(55.6% 0.078 233.5)
-
Step 700
700 (this color)
#316783
oklch(48.9% 0.073 233.6)
-
Step 800
800
#2A546B
oklch(42.6% 0.061 234.6)
-
Step 900
900
#274657
oklch(37.8% 0.047 233.9)
-
Step 950
950
#172933
oklch(27% 0.03 233.8)
#316783 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) | #596684 | 0.046 |
| Deuteranopia (no green cones) | #4E5D83 | 0.041 |
| Tritanopia (no blue cones) | #006E70 | 0.050 |
| Achromatopsia (no color) | #616161 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #316783
#316783
oklch(48.9% 0.073 233.6)
- #815437
#815437
oklch(48.9% 0.074 53)
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 #316783, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.024
- Peacock Blue #016795 ΔE 0.036
- YInMn Blue #415A77 ΔE 0.040
- Slate #516572 ΔE 0.041
- Sea Blue #047495 ΔE 0.043
- Light Navy Blue #2E5A88 ΔE 0.043
- Ocean Blue #03719C ΔE 0.045
- Dusky Blue #475F94 ΔE 0.047
Use #316783 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.