#5372DF
Closest named color: Royal Blue (#4169E1). oklch(58.5% 0.169 268.8), rgb(83, 114, 223).
Aa
Black text reads best on this color (4.84:1).
About this color
#5372DF is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.169 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.032 away. Black text reads best on it, at 4.84:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.169) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.84:1 |
| White text | 4.33:1 |
Values
| HEX | #5372DF |
| RGB | rgb(83, 114, 223) |
| HSL | hsl(227, 69%, 60%) |
| OKLCH | oklch(58.5% 0.169 268.8) |
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 #5372DF | 4.33:1 | AA large text | Lc -75.2 | Fine for body text |
| Black text on #5372DF | 4.84:1 | AA | Lc 34.3 | Non-text elements, placeholder text |
| #5372DF text on white | 4.33:1 | AA large text | Lc 69.7 | Content text, not long reading |
| #5372DF text on black | 4.84:1 | AA | Lc -31.9 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E4EAF9
oklch(93.7% 0.021 268.4)
-
Step 200
200
#CDD9F6
oklch(88.5% 0.042 267.7)
-
Step 300
300
#ACBFF3
oklch(80.8% 0.077 269)
-
Step 400
400
#819DED
oklch(70.8% 0.122 268.5)
-
Step 500
500
#6382E7
oklch(63.1% 0.156 268.8)
-
Step 600
600 (this color)
#5372DF
oklch(58.5% 0.169 268.8)
-
Step 700
700
#3D57B9
oklch(49.2% 0.157 268.8)
-
Step 800
800
#324795
oklch(42.6% 0.13 268.9)
-
Step 900
900
#2B3D77
oklch(37.7% 0.101 268.3)
-
Step 950
950
#192446
oklch(27% 0.065 268.3)
#5372DF 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) | #3880E3 | 0.039 |
| Deuteranopia (no green cones) | #1773DD | 0.045 |
| Tritanopia (no blue cones) | #008B9E | 0.143 |
| Achromatopsia (no color) | #797979 | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5372DF
#5372DF
oklch(58.5% 0.169 268.8)
- #997700
#997700
oklch(58.6% 0.12 88.6)
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 #5372DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.032
- Cornflower #6A79F7 ΔE 0.050
- Dark Periwinkle #665FD1 ΔE 0.051
- Neon Blue #4361EE ΔE 0.054
- Clear Blue #247AFD ΔE 0.056
- Cerulean Blue #056EEE ΔE 0.057
- Windows Blue #3778BF ΔE 0.061
- Medium Slate Blue #7B68EE ΔE 0.061
Use #5372DF 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.