#316EF8
Closest named color: Cerulean Blue (#056EEE). oklch(58.1% 0.216 263.3), rgb(49, 110, 248).
Aa
Black text reads best on this color (4.71:1).
About this color
#316EF8 is a medium-dark, vivid blue. In OKLCH its lightness is 58%, its chroma 0.216 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean Blue (#056EEE), ΔE 0.025 away. Black text reads best on it, at 4.71:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.216) |
| Temperature | cool |
| Nearest name | Cerulean Blue (#056EEE) |
| Black text | 4.71:1 |
| White text | 4.45:1 |
Values
| HEX | #316EF8 |
| RGB | rgb(49, 110, 248) |
| HSL | hsl(222, 93%, 58%) |
| OKLCH | oklch(58.1% 0.216 263.3) |
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 #316EF8 | 4.45:1 | AA large text | Lc -75.7 | Fine for body text |
| Black text on #316EF8 | 4.71:1 | AA | Lc 33.8 | Non-text elements, placeholder text |
| #316EF8 text on white | 4.45:1 | AA large text | Lc 70.2 | Content text, not long reading |
| #316EF8 text on black | 4.71:1 | AA | Lc -31.4 | Non-text elements, placeholder text |
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
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#E0EAFD
oklch(93.5% 0.028 263.4)
-
Step 200
200
#C7DAFE
oklch(88.6% 0.054 263.2)
-
Step 300
300
#A0C1FF
oklch(80.9% 0.095 262.7)
-
Step 400
400
#6E9DFF
oklch(70.6% 0.153 263.6)
-
Step 500
500
#4781FF
oklch(63.2% 0.197 263.3)
-
Step 600
600 (this color)
#316EF8
oklch(58.1% 0.216 263.3)
-
Step 700
700
#1D53D0
oklch(49% 0.201 263.2)
-
Step 800
800
#1A45A8
oklch(42.7% 0.166 263.3)
-
Step 900
900
#1A3C85
oklch(37.8% 0.129 262.9)
-
Step 950
950
#10244E
oklch(27.1% 0.082 263)
#316EF8 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) | #0081FD | 0.046 |
| Deuteranopia (no green cones) | #006FF5 | 0.020 |
| Tritanopia (no blue cones) | #0091A8 | 0.169 |
| Achromatopsia (no color) | #777777 | 0.217 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #316EF8
#316EF8
oklch(58.1% 0.216 263.3)
- #9C7300
#9C7300
oklch(58.1% 0.119 83.6)
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 #316EF8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean Blue #056EEE ΔE 0.025
- Clear Blue #247AFD ΔE 0.029
- Bright Blue #0165FC ΔE 0.033
- Neon Blue #4361EE ΔE 0.033
- Royal Blue #4169E1 ΔE 0.037
- Azul #1D5DEC ΔE 0.048
- Warm Blue #4B57DB ΔE 0.068
- Cornflower #6A79F7 ΔE 0.068
Use #316EF8 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.