#475FDC
Closest named color: Warm Blue (#4B57DB). oklch(54% 0.192 270.4), rgb(71, 95, 220).
Aa
White text reads best on this color (5.33:1).
About this color
#475FDC is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.192 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.018 away. White text reads best on it, at 5.33:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.192) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.93:1 |
| White text | 5.33:1 |
Values
| HEX | #475FDC |
| RGB | rgb(71, 95, 220) |
| HSL | hsl(230, 68%, 57%) |
| OKLCH | oklch(54% 0.192 270.4) |
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 #475FDC | 5.33:1 | AA | Lc -81.4 | Fine for body text |
| Black text on #475FDC | 3.93:1 | AA large text | Lc 28.0 | Dividers and decoration only |
| #475FDC text on white | 5.33:1 | AA | Lc 76.1 | Fine for body text |
| #475FDC text on black | 3.93:1 | AA large text | Lc -25.7 | 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
#E3E9FB
oklch(93.5% 0.025 271.1)
-
Step 200
200
#CDD8FA
oklch(88.5% 0.048 271.2)
-
Step 300
300
#ABBEF9
oklch(80.8% 0.086 270.6)
-
Step 400
400
#809AF7
oklch(70.6% 0.139 270.7)
-
Step 500
500
#627EF3
oklch(63% 0.177 270.5)
-
Step 600
600 (this color)
#475FDC
oklch(54% 0.192 270.4)
-
Step 700
700
#3D52C4
oklch(49.1% 0.179 270.5)
-
Step 800
800
#32449E
oklch(42.7% 0.147 270.4)
-
Step 900
900
#2B3A7E
oklch(37.6% 0.116 270.5)
-
Step 950
950
#19234A
oklch(27.1% 0.073 270.1)
#475FDC 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) | #0072E0 | 0.055 |
| Deuteranopia (no green cones) | #0064DA | 0.043 |
| Tritanopia (no blue cones) | #007E94 | 0.158 |
| Achromatopsia (no color) | #6B6B6B | 0.192 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #475FDC
#475FDC
oklch(54% 0.192 270.4)
- #876B00
#876B00
oklch(54% 0.11 90.6)
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 #475FDC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.018
- Royal Blue #4169E1 ΔE 0.024
- Neon Blue #4361EE ΔE 0.028
- Azul #1D5DEC ΔE 0.043
- Dark Periwinkle #665FD1 ΔE 0.044
- Iris #6258C4 ΔE 0.051
- Slate Blue #6A5ACD ΔE 0.052
- Cerulean Blue #056EEE ΔE 0.053
Use #475FDC 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.