#475ADD
Closest named color: Warm Blue (#4B57DB). oklch(53.1% 0.199 271.5), rgb(71, 90, 221).
Aa
White text reads best on this color (5.56:1).
About this color
#475ADD is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.199 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.008 away. White text reads best on it, at 5.56:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.199) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.77:1 |
| White text | 5.56:1 |
Values
| HEX | #475ADD |
| RGB | rgb(71, 90, 221) |
| HSL | hsl(232, 69%, 57%) |
| OKLCH | oklch(53.1% 0.199 271.5) |
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 #475ADD | 5.56:1 | AA | Lc -82.6 | Fine for body text |
| Black text on #475ADD | 3.77:1 | AA large text | Lc 26.8 | Dividers and decoration only |
| #475ADD text on white | 5.56:1 | AA | Lc 77.3 | Fine for body text |
| #475ADD text on black | 3.77:1 | AA large text | Lc -24.5 | 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
#E3E9FC
oklch(93.5% 0.027 271.9)
-
Step 200
200
#CDD8FB
oklch(88.5% 0.05 271.6)
-
Step 300
300
#ACBEFB
oklch(81% 0.089 271.6)
-
Step 400
400
#8199FA
oklch(70.7% 0.144 271.8)
-
Step 500
500
#647DF7
oklch(63.2% 0.183 271.5)
-
Step 600
600 (this color)
#475ADD
oklch(53.1% 0.199 271.5)
-
Step 700
700
#3F50C8
oklch(49.2% 0.186 271.6)
-
Step 800
800
#3342A1
oklch(42.6% 0.154 271.4)
-
Step 900
900
#2C3980
oklch(37.6% 0.12 271.6)
-
Step 950
950
#1A224B
oklch(27% 0.076 272.1)
#475ADD 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) | #006FE1 | 0.058 |
| Deuteranopia (no green cones) | #0061DA | 0.045 |
| Tritanopia (no blue cones) | #007B93 | 0.162 |
| Achromatopsia (no color) | #686868 | 0.200 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #475ADD
#475ADD
oklch(53.1% 0.199 271.5)
- #836900
#836900
oklch(53.1% 0.109 91.7)
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 #475ADD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.008
- Neon Blue #4361EE ΔE 0.030
- Royal Blue #4169E1 ΔE 0.035
- Azul #1D5DEC ΔE 0.041
- Dark Periwinkle #665FD1 ΔE 0.049
- Iris #6258C4 ΔE 0.053
- Slate Blue #6A5ACD ΔE 0.055
- Light Indigo #6D5ACF ΔE 0.058
Use #475ADD 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.