#5357CD
Closest named color: Warm Blue (#4B57DB). oklch(52.1% 0.179 276.7), rgb(83, 87, 205).
Aa
White text reads best on this color (5.81:1).
About this color
#5357CD is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.179 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.024 away. White text reads best on it, at 5.81:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.179) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.61:1 |
| White text | 5.81:1 |
Values
| HEX | #5357CD |
| RGB | rgb(83, 87, 205) |
| HSL | hsl(238, 55%, 56%) |
| OKLCH | oklch(52.1% 0.179 276.7) |
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 #5357CD | 5.81:1 | AA | Lc -83.9 | Fine for body text |
| Black text on #5357CD | 3.61:1 | AA large text | Lc 25.4 | Dividers and decoration only |
| #5357CD text on white | 5.81:1 | AA | Lc 78.7 | Fine for body text |
| #5357CD text on black | 3.61:1 | AA large text | Lc -23.1 | 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 700.
-
Step 50
50
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FB
oklch(93.6% 0.025 275.9)
-
Step 200
200
#D0D7FA
oklch(88.5% 0.049 276.4)
-
Step 300
300
#B2BCF9
oklch(80.9% 0.087 277.1)
-
Step 400
400
#8B97F6
oklch(70.7% 0.139 276.8)
-
Step 500
500
#717AF2
oklch(63.2% 0.177 276.8)
-
Step 600
600
#5B5FE0
oklch(55.5% 0.192 276.8)
-
Step 700
700 (this color)
#5357CD
oklch(52.1% 0.179 276.7)
-
Step 800
800
#3E419E
oklch(42.9% 0.148 276.8)
-
Step 900
900
#34387D
oklch(37.7% 0.115 276.9)
-
Step 950
950
#1E2149
oklch(26.9% 0.073 277.1)
#5357CD 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) | #006AD1 | 0.068 |
| Deuteranopia (no green cones) | #0060CB | 0.062 |
| Tritanopia (no blue cones) | #007389 | 0.154 |
| Achromatopsia (no color) | #656565 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5357CD
#5357CD
oklch(52.1% 0.179 276.7)
- #7B6800
#7B6800
oklch(52% 0.107 96.5)
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 #5357CD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.024
- Iris #6258C4 ΔE 0.027
- Slate Blue #6A5ACD ΔE 0.036
- Dark Periwinkle #665FD1 ΔE 0.036
- Light Indigo #6D5ACF ΔE 0.041
- Bluey Purple #6241C7 ΔE 0.051
- Royal Blue #4169E1 ΔE 0.052
- Neon Blue #4361EE ΔE 0.056
Use #5357CD 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.