#4259D0#4259D0

#4259D0 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.6% C 0.185 H 270.3°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#4259D0
RGB	rgb(66, 89, 208)
HSL	hsl(230, 60%, 54%)
HSV	hsv(230, 68%, 82%)
CMYK	cmyk(68.3%, 57.2%, 0%, 18.4%)
CIE-LAB	lab(42.54, 30.47, -64.15)
CIE-LCH	lch(42.54, 71.02, 295.41°)
OKLab	oklab(51.64% 0.001 -0.1848)
OKLCH	oklch(51.64% 0.185 270.3)
XYZ	xyz(17.2004, 12.8554, 61.2372)
Luminance	0.1286 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4259D0 #D0B942

analogous

#42A0D0 #4259D0 #7242D0

triadic

#4259D0 #D04259 #59D042

tetradic

#4259D0 #D042A0 #D0B942 #42D072

square

#4259D0 #D042A0 #D0B942 #42D072

split-complementary

#4259D0 #D07242 #A0D042

monochromatic

#1E2D79 #2A3FAA #4259D0 #7384DC #A4AFE8

Accessibility & contrast

On white

5.88

#4259D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#4259D0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4259D0

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4259D0	#FFFFFF	#000000	##FFFFFF
##4259D0	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD4

Deuteranopia (green-blind)

#005ECE

Tritanopia (blue-blind)

#00768C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4259d0;
/* rgb */ color: rgb(66, 89, 208);
/* oklch */ color: oklch(51.6% 0.185 270.3);

Tailwind

colors: {
  custom: {
    50: '#8787df',
    500: '#4259d0',
    950: '#000000',
  },
}

SCSS

$custom: #4259d0;
$custom-light: #8787df;
$custom-dark: #000000;

JSON

{
  "hex": "#4259d0",
  "rgb": {
    "r": 66,
    "g": 89,
    "b": 208
  },
  "hsl": {
    "h": 230.282,
    "s": 60.169,
    "l": 53.725
  },
  "oklch": {
    "l": 0.51641,
    "c": 0.18478,
    "h": 270.3
  },
  "luminance": 0.12857
}

Semantic roles & 50–950 ramp

primary

#4259D0

secondary

#D5CB99

accent

#CA44E3

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4259D0

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →