#316CCD
Closest named color: Royal Blue (#4169E1). oklch(54.5% 0.163 259.9), rgb(49, 108, 205).
Aa
White text reads best on this color (5.05:1).
About this color
#316CCD is a medium-dark, vivid blue. In OKLCH its lightness is 55%, its chroma 0.163 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.036 away. White text reads best on it, at 5.05:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.163) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.15:1 |
| White text | 5.05:1 |
Values
| HEX | #316CCD |
| RGB | rgb(49, 108, 205) |
| HSL | hsl(217, 61%, 50%) |
| OKLCH | oklch(54.5% 0.163 259.9) |
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 #316CCD | 5.05:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #316CCD | 4.15:1 | AA large text | Lc 29.6 | Dividers and decoration only |
| #316CCD text on white | 5.05:1 | AA | Lc 74.5 | Content text, not long reading |
| #316CCD text on black | 4.15:1 | AA large text | Lc -27.2 | 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 600.
-
Step 50
50
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF8
oklch(93.5% 0.021 261.8)
-
Step 200
200
#CADAF5
oklch(88.5% 0.041 260.9)
-
Step 300
300
#A5C2F0
oklch(80.9% 0.073 259.5)
-
Step 400
400
#75A1E9
oklch(70.7% 0.117 259.9)
-
Step 500
500
#5088E3
oklch(63.2% 0.15 259.6)
-
Step 600
600 (this color)
#316CCD
oklch(54.5% 0.163 259.9)
-
Step 700
700
#275DB5
oklch(49.2% 0.151 259.8)
-
Step 800
800
#214C92
oklch(42.6% 0.125 259.7)
-
Step 900
900
#204075
oklch(37.7% 0.098 259.9)
-
Step 950
950
#132644
oklch(27% 0.061 259.2)
#316CCD 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) | #3676D1 | 0.028 |
| Deuteranopia (no green cones) | #0468CB | 0.026 |
| Tritanopia (no blue cones) | #008392 | 0.127 |
| Achromatopsia (no color) | #6F6F6F | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #316CCD
#316CCD
oklch(54.5% 0.163 259.9)
- #926700
#926700
oklch(54.4% 0.113 79.9)
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 #316CCD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.036
- Mid Blue #276AB3 ΔE 0.042
- Windows Blue #3778BF ΔE 0.043
- French Blue #436BAD ΔE 0.051
- Cerulean Blue #056EEE ΔE 0.052
- Warm Blue #4B57DB ΔE 0.059
- Neon Blue #4361EE ΔE 0.060
- Azul #1D5DEC ΔE 0.064
Use #316CCD 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.