#404BCA
Closest named color: Blue With A Hint Of Purple (#533CC6). oklch(48.5% 0.194 272.9), rgb(64, 75, 202).
Aa
White text reads best on this color (6.82:1).
About this color
#404BCA is a medium-dark, vivid blue. In OKLCH its lightness is 48%, its chroma 0.194 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Blue With A Hint Of Purple (#533CC6), ΔE 0.038 away. White text reads best on it, at 6.82:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.194) |
| Temperature | cool |
| Nearest name | Blue With A Hint Of Purple (#533CC6) |
| Black text | 3.07:1 |
| White text | 6.82:1 |
Values
| HEX | #404BCA |
| RGB | rgb(64, 75, 202) |
| HSL | hsl(235, 57%, 52%) |
| OKLCH | oklch(48.5% 0.194 272.9) |
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 #404BCA | 6.82:1 | AA | Lc -88.0 | Fine for body text |
| Black text on #404BCA | 3.07:1 | AA large text | Lc 21.1 | Dividers and decoration only |
| #404BCA text on white | 6.82:1 | AA | Lc 83.0 | Fine for body text |
| #404BCA text on black | 3.07:1 | AA large text | Lc -18.9 | 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 700.
-
Step 50
50
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3E9FD
oklch(93.5% 0.028 272.5)
-
Step 200
200
#CDD8FD
oklch(88.6% 0.052 272.2)
-
Step 300
300
#ACBDFE
oklch(80.9% 0.094 272.8)
-
Step 400
400
#8298FE
oklch(70.7% 0.151 272.8)
-
Step 500
500
#667AFB
oklch(63.1% 0.192 273)
-
Step 600
600
#505FEB
oklch(55.7% 0.209 272.9)
-
Step 700
700 (this color)
#404BCA
oklch(48.5% 0.194 272.9)
-
Step 800
800
#3540A5
oklch(42.6% 0.161 272.8)
-
Step 900
900
#2E3883
oklch(37.8% 0.125 273.1)
-
Step 950
950
#1A214D
oklch(26.9% 0.081 272.9)
#404BCA 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) | #0061CE | 0.059 |
| Deuteranopia (no green cones) | #0054C8 | 0.045 |
| Tritanopia (no blue cones) | #006C83 | 0.159 |
| Achromatopsia (no color) | #5B5B5B | 0.195 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #404BCA
#404BCA
oklch(48.5% 0.194 272.9)
- #725D00
#725D00
oklch(48.5% 0.099 93.5)
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 #404BCA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue With A Hint Of Purple #533CC6 ΔE 0.038
- Majorelle Blue #3F37C9 ΔE 0.041
- Blue Blue #2242C7 ΔE 0.042
- Warm Blue #4B57DB ΔE 0.042
- Blurple #5539CC ΔE 0.043
- Bluey Purple #6241C7 ΔE 0.053
- Iris #6258C4 ΔE 0.062
- Azul #1D5DEC ΔE 0.068
Use #404BCA 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.