#475FD5
Closest named color: Warm Blue (#4B57DB). oklch(53.4% 0.183 270.4), rgb(71, 95, 213).
Aa
White text reads best on this color (5.43:1).
About this color
#475FD5 is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.183 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.021 away. White text reads best on it, at 5.43:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.183) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.86:1 |
| White text | 5.43:1 |
Values
| HEX | #475FD5 |
| RGB | rgb(71, 95, 213) |
| HSL | hsl(230, 63%, 56%) |
| OKLCH | oklch(53.4% 0.183 270.4) |
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 #475FD5 | 5.43:1 | AA | Lc -82.0 | Fine for body text |
| Black text on #475FD5 | 3.86:1 | AA large text | Lc 27.4 | Dividers and decoration only |
| #475FD5 text on white | 5.43:1 | AA | Lc 76.7 | Fine for body text |
| #475FD5 text on black | 3.86:1 | AA large text | Lc -25.1 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E4E9FA
oklch(93.5% 0.024 272.8)
-
Step 200
200
#CDD8F8
oklch(88.4% 0.046 270.4)
-
Step 300
300
#ACBFF7
oklch(81% 0.082 270)
-
Step 400
400
#819BF3
oklch(70.7% 0.132 270.3)
-
Step 500
500
#647FEE
oklch(63% 0.169 270.6)
-
Step 600
600 (this color)
#475FD5
oklch(53.4% 0.183 270.4)
-
Step 700
700
#3E54BF
oklch(49.1% 0.169 270.2)
-
Step 800
800
#33459B
oklch(42.7% 0.141 270.4)
-
Step 900
900
#2C3B7B
oklch(37.7% 0.11 270.4)
-
Step 950
950
#1A2348
oklch(27% 0.07 270.8)
#475FD5 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) | #0070D9 | 0.052 |
| Deuteranopia (no green cones) | #0064D3 | 0.044 |
| Tritanopia (no blue cones) | #007B91 | 0.149 |
| Achromatopsia (no color) | #6A6A6A | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #475FD5
#475FD5
oklch(53.4% 0.183 270.4)
- #856900
#856900
oklch(53.3% 0.109 90.3)
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 #475FD5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.021
- Royal Blue #4169E1 ΔE 0.029
- Neon Blue #4361EE ΔE 0.038
- Dark Periwinkle #665FD1 ΔE 0.042
- Iris #6258C4 ΔE 0.045
- Slate Blue #6A5ACD ΔE 0.049
- Azul #1D5DEC ΔE 0.050
- Light Indigo #6D5ACF ΔE 0.053
Use #475FD5 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.