#475EE9
Closest named color: Neon Blue (#4361EE). oklch(54.8% 0.21 270.6), rgb(71, 94, 233).
Aa
White text reads best on this color (5.19:1).
About this color
#475EE9 is a medium-dark, vivid blue. In OKLCH its lightness is 55%, its chroma 0.210 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.010 away. White text reads best on it, at 5.19:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.210) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 4.04:1 |
| White text | 5.19:1 |
Values
| HEX | #475EE9 |
| RGB | rgb(71, 94, 233) |
| HSL | hsl(231, 79%, 60%) |
| OKLCH | oklch(54.8% 0.21 270.6) |
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 #475EE9 | 5.19:1 | AA | Lc -80.6 | Fine for body text |
| Black text on #475EE9 | 4.04:1 | AA large text | Lc 28.9 | Dividers and decoration only |
| #475EE9 text on white | 5.19:1 | AA | Lc 75.2 | Fine for body text |
| #475EE9 text on black | 4.04:1 | AA large text | Lc -26.6 | 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 600.
-
Step 50
50
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3E9FD
oklch(93.5% 0.028 272.5)
-
Step 200
200
#CCD8FD
oklch(88.5% 0.053 271.1)
-
Step 300
300
#A9BEFE
oklch(80.9% 0.094 270.2)
-
Step 400
400
#7D99FE
oklch(70.6% 0.151 270.5)
-
Step 500
500
#5F7CFC
oklch(63.1% 0.192 270.4)
-
Step 600
600 (this color)
#475EE9
oklch(54.8% 0.21 270.6)
-
Step 700
700
#3B4FCD
oklch(49.2% 0.195 270.5)
-
Step 800
800
#3041A6
oklch(42.6% 0.163 270.5)
-
Step 900
900
#2A3983
oklch(37.7% 0.125 270.6)
-
Step 950
950
#18224D
oklch(27% 0.08 270.4)
#475EE9 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) | #0074EE | 0.058 |
| Deuteranopia (no green cones) | #0066E6 | 0.043 |
| Tritanopia (no blue cones) | #00819A | 0.170 |
| Achromatopsia (no color) | #6D6D6D | 0.211 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #475EE9
#475EE9
oklch(54.8% 0.21 270.6)
- #8A6D00
#8A6D00
oklch(54.8% 0.112 90.2)
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 #475EE9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.010
- Warm Blue #4B57DB ΔE 0.026
- Royal Blue #4169E1 ΔE 0.029
- Azul #1D5DEC ΔE 0.036
- Cerulean Blue #056EEE ΔE 0.048
- Bright Blue #0165FC ΔE 0.049
- Dark Periwinkle #665FD1 ΔE 0.055
- Slate Blue #6A5ACD ΔE 0.063
Use #475EE9 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.