#233BA6#233BA6

#233BA6 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.9% C 0.174 H 267.7°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#233BA6
RGB	rgb(35, 59, 166)
HSL	hsl(229, 65%, 39%)
HSV	hsv(229, 79%, 65%)
CMYK	cmyk(78.9%, 64.5%, 0%, 34.9%)
CIE-LAB	lab(30.00, 30.76, -59.99)
CIE-LCH	lch(30.00, 67.41, 297.15°)
OKLab	oklab(40.86% -0.0068 -0.1736)
OKLCH	oklch(40.86% 0.174 267.7)
XYZ	xyz(9.1376, 6.2374, 36.7913)
Luminance	0.0624 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233BA6 #A68E23

analogous

#237CA6 #233BA6 #4D23A6

triadic

#233BA6 #A6233B #3BA623

tetradic

#233BA6 #A6237C #A68E23 #23A64D

square

#233BA6 #A6237C #A68E23 #23A64D

split-complementary

#233BA6 #A64D23 #7CA623

monochromatic

#0E1741 #182973 #233BA6 #3250D4 #657BDF

Accessibility & contrast

On white

9.34

#233BA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#233BA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233BA6

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233BA6	#FFFFFF	#000000	##FFFFFF
##233BA6	1.00	9.34	2.25	9.34
#FFFFFF	9.34	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA9

Deuteranopia (green-blind)

#0041A4

Tritanopia (blue-blind)

#00576B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #233ba6;
/* rgb */ color: rgb(35, 59, 166);
/* oklch */ color: oklch(40.9% 0.174 267.7);

Tailwind

colors: {
  custom: {
    50: '#7470c1',
    500: '#233ba6',
    950: '#000000',
  },
}

SCSS

$custom: #233ba6;
$custom-light: #7470c1;
$custom-dark: #000000;

JSON

{
  "hex": "#233ba6",
  "rgb": {
    "r": 35,
    "g": 59,
    "b": 166
  },
  "hsl": {
    "h": 229.008,
    "s": 65.174,
    "l": 39.412
  },
  "oklch": {
    "l": 0.40857,
    "c": 0.17369,
    "h": 267.7
  },
  "luminance": 0.06238
}

Semantic roles & 50–950 ramp

primary

#233BA6

secondary

#C4B261

accent

#C940E8

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #233BA6

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

Preview Lab → · Contrast checker → · Palette generator →