#355CE6
Closest named color: Azul (#1D5DEC). oklch(53.4% 0.213 266.7), rgb(53, 92, 230).
Aa
White text reads best on this color (5.49:1).
About this color
#355CE6 is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.213 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Azul (#1D5DEC), ΔE 0.018 away. White text reads best on it, at 5.49:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.213) |
| Temperature | cool |
| Nearest name | Azul (#1D5DEC) |
| Black text | 3.82:1 |
| White text | 5.49:1 |
Values
| HEX | #355CE6 |
| RGB | rgb(53, 92, 230) |
| HSL | hsl(227, 78%, 55%) |
| OKLCH | oklch(53.4% 0.213 266.7) |
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 #355CE6 | 5.49:1 | AA | Lc -82.1 | Fine for body text |
| Black text on #355CE6 | 3.82:1 | AA large text | Lc 27.3 | Dividers and decoration only |
| #355CE6 text on white | 5.49:1 | AA | Lc 76.7 | Fine for body text |
| #355CE6 text on black | 3.82:1 | AA large text | Lc -25.0 | 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
#F1F5FE
oklch(97% 0.013 266.7)
-
Step 100
100
#E1EAFD
oklch(93.6% 0.028 265.4)
-
Step 200
200
#C9D9FD
oklch(88.5% 0.053 266.4)
-
Step 300
300
#A5BFFF
oklch(80.9% 0.095 267.2)
-
Step 400
400
#759BFF
oklch(70.6% 0.153 266.8)
-
Step 500
500
#537EFE
oklch(63% 0.196 266.7)
-
Step 600
600 (this color)
#355CE6
oklch(53.4% 0.213 266.7)
-
Step 700
700
#2E51CF
oklch(49.1% 0.198 266.7)
-
Step 800
800
#2643A7
oklch(42.6% 0.164 266.7)
-
Step 900
900
#223A84
oklch(37.6% 0.128 266.6)
-
Step 950
950
#14234E
oklch(27.1% 0.082 266.5)
#355CE6 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) | #0072EB | 0.052 |
| Deuteranopia (no green cones) | #0061E3 | 0.026 |
| Tritanopia (no blue cones) | #007F98 | 0.166 |
| Achromatopsia (no color) | #696969 | 0.214 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #355CE6
#355CE6
oklch(53.4% 0.213 266.7)
- #886800
#886800
oklch(53.5% 0.109 87.3)
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 #355CE6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Azul #1D5DEC ΔE 0.018
- Neon Blue #4361EE ΔE 0.024
- Warm Blue #4B57DB ΔE 0.029
- Royal Blue #4169E1 ΔE 0.036
- Bright Blue #0165FC ΔE 0.042
- Cerulean Blue #056EEE ΔE 0.044
- Electric Blue #0652FF ΔE 0.051
- Dark Periwinkle #665FD1 ΔE 0.069
Use #355CE6 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.