#233BA0#233BA0

#233BA0 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.3% C 0.166 H 267.7°. Best body text is #FFFFFF at 9.53:1 contrast (WCAG AA passes).

Color values

HEX	#233BA0
RGB	rgb(35, 59, 160)
HSL	hsl(228, 64%, 38%)
HSV	hsv(228, 78%, 63%)
CMYK	cmyk(78.1%, 63.1%, 0%, 37.3%)
CIE-LAB	lab(29.47, 28.48, -57.24)
CIE-LCH	lch(29.47, 63.93, 296.46°)
OKLab	oklab(40.3% -0.0067 -0.1655)
OKLCH	oklch(40.3% 0.166 267.7)
XYZ	xyz(8.6001, 6.0224, 33.9601)
Luminance	0.0602 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233BA0 #A08823

analogous

#2379A0 #233BA0 #4923A0

triadic

#233BA0 #A0233B #3BA023

tetradic

#233BA0 #A02379 #A08823 #23A049

square

#233BA0 #A02379 #A08823 #23A049

split-complementary

#233BA0 #A04923 #79A023

monochromatic

#0D163C #18286E #233BA0 #2F4ED1 #6179DC

Accessibility & contrast

On white

9.53

#233BA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#233BA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233BA0

9.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233BA0	#FFFFFF	#000000	##FFFFFF
##233BA0	1.00	9.53	2.20	9.53
#FFFFFF	9.53	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA3

Deuteranopia (green-blind)

#00409E

Tritanopia (blue-blind)

#005568

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #233ba0;
/* rgb */ color: rgb(35, 59, 160);
/* oklch */ color: oklch(40.3% 0.166 267.7);

Tailwind

colors: {
  custom: {
    50: '#7370bd',
    500: '#233ba0',
    950: '#000000',
  },
}

SCSS

$custom: #233ba0;
$custom-light: #7370bd;
$custom-dark: #000000;

JSON

{
  "hex": "#233ba0",
  "rgb": {
    "r": 35,
    "g": 59,
    "b": 160
  },
  "hsl": {
    "h": 228.48,
    "s": 64.103,
    "l": 38.235
  },
  "oklch": {
    "l": 0.40297,
    "c": 0.16564,
    "h": 267.7
  },
  "luminance": 0.06023
}

Semantic roles & 50–950 ramp

primary

#233BA0

secondary

#C1AE5D

accent

#C741E7

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #233BA0

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

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