#315EEC
Closest named color: Azul (#1D5DEC). oklch(54.1% 0.22 265.7), rgb(49, 94, 236).
Aa
White text reads best on this color (5.32:1).
About this color
#315EEC is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.220 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Azul (#1D5DEC), ΔE 0.014 away. White text reads best on it, at 5.32:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.220) |
| Temperature | cool |
| Nearest name | Azul (#1D5DEC) |
| Black text | 3.94:1 |
| White text | 5.32:1 |
Values
| HEX | #315EEC |
| RGB | rgb(49, 94, 236) |
| HSL | hsl(226, 83%, 56%) |
| OKLCH | oklch(54.1% 0.22 265.7) |
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 #315EEC | 5.32:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #315EEC | 3.94:1 | AA large text | Lc 28.3 | Dividers and decoration only |
| #315EEC text on white | 5.32:1 | AA | Lc 75.8 | Fine for body text |
| #315EEC text on black | 3.94:1 | AA large text | Lc -25.9 | 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
#F1F5FF
oklch(97% 0.014 268.5)
-
Step 100
100
#E1EAFE
oklch(93.6% 0.029 266.4)
-
Step 200
200
#C8D9FE
oklch(88.5% 0.054 265.8)
-
Step 300
300
#A3C0FF
oklch(80.9% 0.095 265.2)
-
Step 400
400
#739CFF
oklch(70.7% 0.152 265.7)
-
Step 500
500
#507FFF
oklch(63.1% 0.197 265.8)
-
Step 600
600 (this color)
#315EEC
oklch(54.1% 0.22 265.7)
-
Step 700
700
#2851D2
oklch(49.2% 0.204 265.6)
-
Step 800
800
#2243AA
oklch(42.7% 0.17 265.8)
-
Step 900
900
#203A86
oklch(37.7% 0.131 265.9)
-
Step 950
950
#13234F
oklch(27.1% 0.084 265.9)
#315EEC 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) | #0074F1 | 0.051 |
| Deuteranopia (no green cones) | #0063E9 | 0.023 |
| Tritanopia (no blue cones) | #00839C | 0.171 |
| Achromatopsia (no color) | #6B6B6B | 0.220 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #315EEC
#315EEC
oklch(54.1% 0.22 265.7)
- #8C6900
#8C6900
oklch(54.1% 0.111 85.5)
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 #315EEC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Azul #1D5DEC ΔE 0.014
- Neon Blue #4361EE ΔE 0.020
- Bright Blue #0165FC ΔE 0.032
- Royal Blue #4169E1 ΔE 0.037
- Warm Blue #4B57DB ΔE 0.038
- Cerulean Blue #056EEE ΔE 0.038
- Electric Blue #0652FF ΔE 0.046
- Clear Blue #247AFD ΔE 0.069
Use #315EEC 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.