#5A70DF
Closest named color: Royal Blue (#4169E1). oklch(58.5% 0.17 271.8), rgb(90, 112, 223).
Aa
Black text reads best on this color (4.81:1).
About this color
#5A70DF is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.170 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.036 away. Black text reads best on it, at 4.81:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.170) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.81:1 |
| White text | 4.35:1 |
Values
| HEX | #5A70DF |
| RGB | rgb(90, 112, 223) |
| HSL | hsl(230, 68%, 61%) |
| OKLCH | oklch(58.5% 0.17 271.8) |
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 #5A70DF | 4.35:1 | AA large text | Lc -75.4 | Fine for body text |
| Black text on #5A70DF | 4.81:1 | AA | Lc 34.2 | Non-text elements, placeholder text |
| #5A70DF text on white | 4.35:1 | AA large text | Lc 69.9 | Content text, not long reading |
| #5A70DF text on black | 4.81:1 | AA | Lc -31.8 | 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
#869BED
oklch(70.7% 0.123 272)
-
Step 500
500
#6980E7
oklch(63.1% 0.156 271.8)
-
Step 600
600 (this color)
#5A70DF
oklch(58.5% 0.17 271.8)
-
Step 700
700
#4355B9
oklch(49.1% 0.158 271.7)
-
Step 800
800
#374695
oklch(42.7% 0.13 271.7)
-
Step 900
900
#2F3C77
oklch(37.8% 0.101 271.4)
-
Step 950
950
#1C2346
oklch(27% 0.065 272.8)
#5A70DF 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) | #347FE3 | 0.047 |
| Deuteranopia (no green cones) | #1773DD | 0.053 |
| Tritanopia (no blue cones) | #00899D | 0.147 |
| Achromatopsia (no color) | #797979 | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A70DF
#5A70DF
oklch(58.5% 0.17 271.8)
- #967800
#967800
oklch(58.5% 0.12 91.2)
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 #5A70DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.036
- Dark Periwinkle #665FD1 ΔE 0.045
- Cornflower #6A79F7 ΔE 0.047
- Medium Slate Blue #7B68EE ΔE 0.053
- Neon Blue #4361EE ΔE 0.054
- Light Indigo #6D5ACF ΔE 0.058
- Slate Blue #6A5ACD ΔE 0.058
- Clear Blue #247AFD ΔE 0.062
Use #5A70DF 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.