#5C70E1
Closest named color: Royal Blue (#4169E1). oklch(58.8% 0.172 272.5), rgb(92, 112, 225).
Aa
Black text reads best on this color (4.85:1).
About this color
#5C70E1 is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.172 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.038 away. Black text reads best on it, at 4.85:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.172) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.85:1 |
| White text | 4.32:1 |
Values
| HEX | #5C70E1 |
| RGB | rgb(92, 112, 225) |
| HSL | hsl(231, 69%, 62%) |
| OKLCH | oklch(58.8% 0.172 272.5) |
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 #5C70E1 | 4.32:1 | AA large text | Lc -75.1 | Fine for body text |
| Black text on #5C70E1 | 4.85:1 | AA | Lc 34.5 | Non-text elements, placeholder text |
| #5C70E1 text on white | 4.32:1 | AA large text | Lc 69.6 | Content text, not long reading |
| #5C70E1 text on black | 4.85:1 | AA | Lc -32.0 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9F9
oklch(93.5% 0.022 272.1)
-
Step 200
200
#CFD8F6
oklch(88.5% 0.042 272.3)
-
Step 300
300
#AFBEF3
oklch(80.9% 0.077 272.3)
-
Step 400
400
#869BEE
oklch(70.8% 0.124 272.1)
-
Step 500
500
#6A7FE8
oklch(63% 0.159 272.6)
-
Step 600
600 (this color)
#5C70E1
oklch(58.8% 0.172 272.5)
-
Step 700
700
#4454BA
oklch(49.1% 0.161 272.4)
-
Step 800
800
#384596
oklch(42.6% 0.133 272.6)
-
Step 900
900
#303B78
oklch(37.7% 0.104 272.8)
-
Step 950
950
#1C2346
oklch(27% 0.065 272.8)
#5C70E1 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) | #3380E5 | 0.050 |
| Deuteranopia (no green cones) | #1474DF | 0.056 |
| Tritanopia (no blue cones) | #008A9E | 0.150 |
| Achromatopsia (no color) | #7A7A7A | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5C70E1
#5C70E1
oklch(58.8% 0.172 272.5)
- #967A00
#967A00
oklch(58.9% 0.121 92.7)
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 #5C70E1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.038
- Cornflower #6A79F7 ΔE 0.044
- Dark Periwinkle #665FD1 ΔE 0.046
- Medium Slate Blue #7B68EE ΔE 0.050
- Neon Blue #4361EE ΔE 0.054
- Light Indigo #6D5ACF ΔE 0.059
- Slate Blue #6A5ACD ΔE 0.059
- Clear Blue #247AFD ΔE 0.061
Use #5C70E1 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.