#5471E9
Closest named color: Royal Blue (#4169E1). oklch(59.1% 0.184 269.8), rgb(84, 113, 233).
Aa
Black text reads best on this color (4.91:1).
About this color
#5471E9 is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.184 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.033 away. Black text reads best on it, at 4.91:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.184) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.91:1 |
| White text | 4.27:1 |
Values
| HEX | #5471E9 |
| RGB | rgb(84, 113, 233) |
| HSL | hsl(228, 77%, 62%) |
| OKLCH | oklch(59.1% 0.184 269.8) |
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 #5471E9 | 4.27:1 | AA large text | Lc -74.7 | Content text, not long reading |
| Black text on #5471E9 | 4.91:1 | AA | Lc 34.9 | Non-text elements, placeholder text |
| #5471E9 text on white | 4.27:1 | AA large text | Lc 69.2 | Content text, not long reading |
| #5471E9 text on black | 4.91:1 | AA | Lc -32.5 | 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
#E3EAFB
oklch(93.7% 0.024 267.9)
-
Step 200
200
#CDD8F8
oklch(88.4% 0.046 270.4)
-
Step 300
300
#ABBFF7
oklch(80.9% 0.083 269.3)
-
Step 400
400
#809BF3
oklch(70.6% 0.133 269.8)
-
Step 500
500
#6280EF
oklch(63.2% 0.169 269.7)
-
Step 600
600 (this color)
#5471E9
oklch(59.1% 0.184 269.8)
-
Step 700
700
#3D54C0
oklch(49.2% 0.171 269.9)
-
Step 800
800
#32459B
oklch(42.6% 0.142 270)
-
Step 900
900
#2B3B7B
oklch(37.6% 0.11 269.8)
-
Step 950
950
#192348
oklch(26.9% 0.07 269.8)
#5471E9 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) | #2781ED | 0.048 |
| Deuteranopia (no green cones) | #0074E7 | 0.050 |
| Tritanopia (no blue cones) | #008DA2 | 0.154 |
| Achromatopsia (no color) | #7A7A7A | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5471E9
#5471E9
oklch(59.1% 0.184 269.8)
- #9A7900
#9A7900
oklch(59.1% 0.121 89.5)
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 #5471E9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.033
- Cornflower #6A79F7 ΔE 0.041
- Neon Blue #4361EE ΔE 0.046
- Clear Blue #247AFD ΔE 0.047
- Cerulean Blue #056EEE ΔE 0.053
- Medium Slate Blue #7B68EE ΔE 0.054
- Dark Periwinkle #665FD1 ΔE 0.056
- Soft Blue #6488EA ΔE 0.064
Use #5471E9 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.