#475EC1
Closest named color: Iris (#6258C4). oklch(51.8% 0.157 270.3), rgb(71, 94, 193).
Aa
White text reads best on this color (5.77:1).
About this color
#475EC1 is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.157 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.038 away. White text reads best on it, at 5.77:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.157) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.63:1 |
| White text | 5.77:1 |
Values
| HEX | #475EC1 |
| RGB | rgb(71, 94, 193) |
| HSL | hsl(229, 50%, 52%) |
| OKLCH | oklch(51.8% 0.157 270.3) |
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 #475EC1 | 5.77:1 | AA | Lc -83.8 | Fine for body text |
| Black text on #475EC1 | 3.63:1 | AA large text | Lc 25.5 | Dividers and decoration only |
| #475EC1 text on white | 5.77:1 | AA | Lc 78.6 | Fine for body text |
| #475EC1 text on black | 3.63:1 | AA large text | Lc -23.2 | 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 700.
-
Step 50
50
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4EAF9
oklch(93.7% 0.021 268.4)
-
Step 200
200
#CED8F6
oklch(88.4% 0.043 270.9)
-
Step 300
300
#AEBFF3
oklch(81% 0.076 270.6)
-
Step 400
400
#849CEC
oklch(70.7% 0.121 270.4)
-
Step 500
500
#6681E6
oklch(63.1% 0.155 270.2)
-
Step 600
600
#4F68D4
oklch(55.6% 0.168 270.3)
-
Step 700
700 (this color)
#475EC1
oklch(51.8% 0.157 270.3)
-
Step 800
800
#354795
oklch(42.8% 0.129 270.3)
-
Step 900
900
#2D3C77
oklch(37.6% 0.102 270.2)
-
Step 950
950
#1B2445
oklch(27.1% 0.063 270.3)
#475EC1 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) | #256BC5 | 0.041 |
| Deuteranopia (no green cones) | #0060BF | 0.047 |
| Tritanopia (no blue cones) | #007586 | 0.133 |
| Achromatopsia (no color) | #666666 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #475EC1
#475EC1
oklch(51.8% 0.157 270.3)
- #806500
#806500
oklch(51.9% 0.106 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 #475EC1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.038
- Warm Blue #4B57DB ΔE 0.045
- Mid Blue #276AB3 ΔE 0.048
- Dark Periwinkle #665FD1 ΔE 0.050
- French Blue #436BAD ΔE 0.051
- Slate Blue #6A5ACD ΔE 0.053
- Royal Blue #4169E1 ΔE 0.054
- Light Indigo #6D5ACF ΔE 0.058
Use #475EC1 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.