#234EB0#234EB0

#234EB0 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.5% C 0.164 H 263.4°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#234EB0
RGB	rgb(35, 78, 176)
HSL	hsl(222, 67%, 41%)
HSV	hsv(222, 80%, 69%)
CMYK	cmyk(80.1%, 55.7%, 0%, 31%)
CIE-LAB	lab(35.87, 21.94, -56.39)
CIE-LCH	lch(35.87, 60.51, 291.26°)
OKLab	oklab(45.49% -0.0188 -0.1627)
OKLCH	oklch(45.49% 0.164 263.4)
XYZ	xyz(11.2512, 8.9394, 42.1984)
Luminance	0.0894 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234EB0 #B08523

analogous

#2395B0 #234EB0 #3F23B0

triadic

#234EB0 #B0234E #4EB023

tetradic

#234EB0 #B02395 #B08523 #23B03F

square

#234EB0 #B02395 #B08523 #23B03F

split-complementary

#234EB0 #B03F23 #95B023

monochromatic

#0F214A #19377D #234EB0 #3969D8 #6C90E2

Accessibility & contrast

On white

7.53

#234EB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#234EB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234EB0

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234EB0	#FFFFFF	#000000	##FFFFFF
##234EB0	1.00	7.53	2.79	7.53
#FFFFFF	7.53	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB3

Deuteranopia (green-blind)

#004EAE

Tritanopia (blue-blind)

#006677

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #234eb0;
/* rgb */ color: rgb(35, 78, 176);
/* oklch */ color: oklch(45.5% 0.164 263.4);

Tailwind

colors: {
  custom: {
    50: '#757fc8',
    500: '#234eb0',
    950: '#000000',
  },
}

SCSS

$custom: #234eb0;
$custom-light: #757fc8;
$custom-dark: #000000;

JSON

{
  "hex": "#234eb0",
  "rgb": {
    "r": 35,
    "g": 78,
    "b": 176
  },
  "hsl": {
    "h": 221.702,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.45493,
    "c": 0.16382,
    "h": 263.4
  },
  "luminance": 0.08941
}

Semantic roles & 50–950 ramp

primary

#234EB0

secondary

#C8AA67

accent

#B53EEA

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #234EB0

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

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