#475DCD
Closest named color: Warm Blue (#4B57DB). oklch(52.4% 0.174 270.8), rgb(71, 93, 205).
Aa
White text reads best on this color (5.65:1).
About this color
#475DCD is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.174 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.026 away. White text reads best on it, at 5.65:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.174) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.71:1 |
| White text | 5.65:1 |
Values
| HEX | #475DCD |
| RGB | rgb(71, 93, 205) |
| HSL | hsl(230, 57%, 54%) |
| OKLCH | oklch(52.4% 0.174 270.8) |
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 #475DCD | 5.65:1 | AA | Lc -83.2 | Fine for body text |
| Black text on #475DCD | 3.71:1 | AA large text | Lc 26.2 | Dividers and decoration only |
| #475DCD text on white | 5.65:1 | AA | Lc 77.9 | Fine for body text |
| #475DCD text on black | 3.71:1 | AA large text | Lc -23.9 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9FA
oklch(93.5% 0.024 272.8)
-
Step 200
200
#CED8F7
oklch(88.4% 0.044 271.3)
-
Step 300
300
#ADBFF4
oklch(81% 0.078 270)
-
Step 400
400
#839BEF
oklch(70.6% 0.126 270.8)
-
Step 500
500
#6680E9
oklch(63% 0.16 270.8)
-
Step 600
600 (this color)
#475DCD
oklch(52.4% 0.174 270.8)
-
Step 700
700
#4055BB
oklch(49.1% 0.162 270.6)
-
Step 800
800
#354697
oklch(42.7% 0.134 270.8)
-
Step 900
900
#2E3C78
oklch(37.8% 0.103 270.9)
-
Step 950
950
#1B2347
oklch(27% 0.068 271.8)
#475DCD 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) | #006DD1 | 0.052 |
| Deuteranopia (no green cones) | #0061CB | 0.045 |
| Tritanopia (no blue cones) | #00788C | 0.145 |
| Achromatopsia (no color) | #676767 | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #475DCD
#475DCD
oklch(52.4% 0.174 270.8)
- #816700
#816700
oklch(52.4% 0.107 91.4)
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 #475DCD, closest first.
No curated palette has a color within ΔE 0.04 of #475DCD.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.026
- Iris #6258C4 ΔE 0.039
- Royal Blue #4169E1 ΔE 0.040
- Dark Periwinkle #665FD1 ΔE 0.044
- Slate Blue #6A5ACD ΔE 0.048
- Neon Blue #4361EE ΔE 0.051
- Light Indigo #6D5ACF ΔE 0.053
- Azul #1D5DEC ΔE 0.058
Use #475DCD 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.