#233A90#233A90

#233A90 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.7% C 0.145 H 267.6°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#233A90
RGB	rgb(35, 58, 144)
HSL	hsl(227, 61%, 35%)
HSV	hsv(227, 76%, 56%)
CMYK	cmyk(75.7%, 59.7%, 0%, 43.5%)
CIE-LAB	lab(27.84, 22.99, -50.13)
CIE-LCH	lch(27.84, 55.16, 294.64°)
OKLab	oklab(38.66% -0.0061 -0.1447)
OKLCH	oklch(38.66% 0.145 267.6)
XYZ	xyz(7.2385, 5.3963, 27.0402)
Luminance	0.0540 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233A90 #907923

analogous

#237190 #233A90 #422390

triadic

#233A90 #90233A #3A9023

tetradic

#233A90 #902371 #907923 #239042

square

#233A90 #902371 #907923 #239042

split-complementary

#233A90 #904223 #719023

monochromatic

#0B122E #17265F #233A90 #2F4EC1 #5772D6

Accessibility & contrast

On white

10.10

#233A90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#233A90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233A90

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233A90	#FFFFFF	#000000	##FFFFFF
##233A90	1.00	10.10	2.08	10.10
#FFFFFF	10.10	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004793

Deuteranopia (green-blind)

#003D8E

Tritanopia (blue-blind)

#00505F

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #233a90;
/* rgb */ color: rgb(35, 58, 144);
/* oklch */ color: oklch(38.7% 0.145 267.6);

Tailwind

colors: {
  custom: {
    50: '#6f6fb1',
    500: '#233a90',
    950: '#000000',
  },
}

SCSS

$custom: #233a90;
$custom-light: #6f6fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#233a90",
  "rgb": {
    "r": 35,
    "g": 58,
    "b": 144
  },
  "hsl": {
    "h": 227.339,
    "s": 60.894,
    "l": 35.098
  },
  "oklch": {
    "l": 0.38658,
    "c": 0.14482,
    "h": 267.6
  },
  "luminance": 0.05397
}

Semantic roles & 50–950 ramp

primary

#233A90

secondary

#BAA554

accent

#C244E4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #233A90

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

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