#316686
Closest named color: Denim (#3B638C). oklch(48.8% 0.076 237.6), rgb(49, 102, 134).
Aa
White text reads best on this color (6.22:1).
About this color
#316686 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.076 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.018 away. White text reads best on it, at 6.22:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.37:1 |
| White text | 6.22:1 |
Values
| HEX | #316686 |
| RGB | rgb(49, 102, 134) |
| HSL | hsl(203, 46%, 36%) |
| OKLCH | oklch(48.8% 0.076 237.6) |
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 #316686 | 6.22:1 | AA | Lc -86.0 | Fine for body text |
| Black text on #316686 | 3.37:1 | AA large text | Lc 23.2 | Dividers and decoration only |
| #316686 text on white | 6.22:1 | AA | Lc 80.8 | Fine for body text |
| #316686 text on black | 3.37:1 | AA large text | Lc -21.0 | 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 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
#CDDBE5
oklch(88.4% 0.02 238.7)
-
Step 300
300
#ABC5D6
oklch(80.9% 0.037 236.6)
-
Step 400
400
#7EA7C1
oklch(70.8% 0.059 236.5)
-
Step 500
500
#5C90B2
oklch(63% 0.076 238.3)
-
Step 600
600
#407A9E
oklch(55.6% 0.083 238)
-
Step 700
700 (this color)
#316686
oklch(48.8% 0.076 237.6)
-
Step 800
800
#2A546D
oklch(42.7% 0.063 236.9)
-
Step 900
900
#274559
oklch(37.6% 0.05 239.2)
-
Step 950
950
#172934
oklch(27.1% 0.031 236.4)
#316686 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) | #576688 | 0.044 |
| Deuteranopia (no green cones) | #4B5D85 | 0.036 |
| Tritanopia (no blue cones) | #006E71 | 0.054 |
| Achromatopsia (no color) | #616161 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #316686
#316686
oklch(48.8% 0.076 237.6)
- #805432
#805432
oklch(48.7% 0.076 57.4)
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 #316686, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.018
- Peacock Blue #016795 ΔE 0.031
- Light Navy Blue #2E5A88 ΔE 0.038
- YInMn Blue #415A77 ΔE 0.039
- Dusky Blue #475F94 ΔE 0.041
- Ocean Blue #03719C ΔE 0.043
- Denim Blue #3B5B92 ΔE 0.043
- Sea Blue #047495 ΔE 0.043
Use #316686 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.