#356AF4
Closest named color: Neon Blue (#4361EE). oklch(57.2% 0.215 264.5), rgb(53, 106, 244).
Aa
White text reads best on this color (4.64:1).
About this color
#356AF4 is a medium-dark, vivid blue. In OKLCH its lightness is 57%, its chroma 0.215 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.023 away. White text reads best on it, at 4.64:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.215) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 4.51:1 |
| White text | 4.64:1 |
Values
| HEX | #356AF4 |
| RGB | rgb(53, 106, 244) |
| HSL | hsl(223, 90%, 58%) |
| OKLCH | oklch(57.2% 0.215 264.5) |
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 #356AF4 | 4.64:1 | AA | Lc -77.1 | Fine for body text |
| Black text on #356AF4 | 4.51:1 | AA | Lc 32.4 | Non-text elements, placeholder text |
| #356AF4 text on white | 4.64:1 | AA | Lc 71.6 | Content text, not long reading |
| #356AF4 text on black | 4.51:1 | AA | Lc -30.0 | 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
#E1EAFD
oklch(93.6% 0.028 265.4)
-
Step 200
200
#C8D9FE
oklch(88.5% 0.054 265.8)
-
Step 300
300
#A2C0FF
oklch(80.9% 0.096 264.7)
-
Step 400
400
#709DFF
oklch(70.7% 0.152 264.2)
-
Step 500
500
#4B80FF
oklch(63.1% 0.197 264.4)
-
Step 600
600 (this color)
#356AF4
oklch(57.2% 0.215 264.5)
-
Step 700
700
#2452D0
oklch(49% 0.201 264.6)
-
Step 800
800
#1F44A8
oklch(42.6% 0.166 264.7)
-
Step 900
900
#1E3B85
oklch(37.7% 0.129 264.7)
-
Step 950
950
#12234E
oklch(26.9% 0.082 265.1)
#356AF4 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) | #007EF9 | 0.048 |
| Deuteranopia (no green cones) | #006CF1 | 0.023 |
| Tritanopia (no blue cones) | #008DA5 | 0.168 |
| Achromatopsia (no color) | #747474 | 0.215 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #356AF4
#356AF4
oklch(57.2% 0.215 264.5)
- #987100
#987100
oklch(57.2% 0.117 84.5)
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 #356AF4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.023
- Cerulean Blue #056EEE ΔE 0.024
- Royal Blue #4169E1 ΔE 0.030
- Bright Blue #0165FC ΔE 0.030
- Clear Blue #247AFD ΔE 0.039
- Azul #1D5DEC ΔE 0.040
- Warm Blue #4B57DB ΔE 0.057
- Electric Blue #0652FF ΔE 0.064
Use #356AF4 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.