#315C83
Closest named color: Light Navy Blue (#2E5A88). oklch(46.2% 0.08 247.8), rgb(49, 92, 131).
Aa
White text reads best on this color (7.02:1).
About this color
#315C83 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.080 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.012 away. White text reads best on it, at 7.02:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.98:1 |
| White text | 7.02:1 |
Values
| HEX | #315C83 |
| RGB | rgb(49, 92, 131) |
| HSL | hsl(209, 46%, 35%) |
| OKLCH | oklch(46.2% 0.08 247.8) |
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 #315C83 | 7.02:1 | AAA | Lc -89.1 | Fine for body text |
| Black text on #315C83 | 2.98:1 | Fails | Lc 19.9 | Dividers and decoration only |
| #315C83 text on white | 7.02:1 | AAA | Lc 84.2 | Fine for body text |
| #315C83 text on black | 2.98:1 | Fails | Lc -17.8 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CEDBE7
oklch(88.5% 0.022 245.9)
-
Step 300
300
#AEC3D9
oklch(80.8% 0.039 249.5)
-
Step 400
400
#82A5C6
oklch(70.8% 0.062 247.2)
-
Step 500
500
#628EB7
oklch(63.1% 0.079 247.4)
-
Step 600
600
#4877A3
oklch(55.5% 0.086 248.1)
-
Step 700
700 (this color)
#315C83
oklch(46.2% 0.08 247.8)
-
Step 800
800
#305272
oklch(42.7% 0.067 248.2)
-
Step 900
900
#2B445C
oklch(37.7% 0.052 248.4)
-
Step 950
950
#192836
oklch(27% 0.033 247.4)
#315C83 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) | #4B5D85 | 0.032 |
| Deuteranopia (no green cones) | #405582 | 0.025 |
| Tritanopia (no blue cones) | #00656A | 0.063 |
| Achromatopsia (no color) | #595959 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #315C83
#315C83
oklch(46.2% 0.08 247.8)
- #764F22
#764F22
oklch(46.2% 0.08 67.2)
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 #315C83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.012
- YInMn Blue #415A77 ΔE 0.024
- Denim #3B638C ΔE 0.027
- Denim Blue #3B5B92 ΔE 0.029
- Dusk Blue #26538D ΔE 0.037
- Dusky Blue #475F94 ΔE 0.040
- Dusk #4E5481 ΔE 0.040
- Peacock Blue #016795 ΔE 0.041
Use #315C83 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.