#263B61#263B61

#263B61 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.5% C 0.072 H 261.5°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#263B61
RGB	rgb(38, 59, 97)
HSL	hsl(219, 44%, 26%)
HSV	hsv(219, 61%, 38%)
CMYK	cmyk(60.8%, 39.2%, 0%, 62%)
CIE-LAB	lab(24.96, 4.60, -25.05)
CIE-LCH	lch(24.96, 25.47, 280.40°)
OKLab	oklab(35.45% -0.0106 -0.0709)
OKLCH	oklch(35.45% 0.072 261.5)
XYZ	xyz(4.5202, 4.4027, 11.9185)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263B61 #614C26

analogous

#265961 #263B61 #2F2661

triadic

#263B61 #61263B #3B6126

tetradic

#263B61 #612659 #614C26 #26612F

square

#263B61 #612659 #614C26 #26612F

split-complementary

#263B61 #612F26 #596126

monochromatic

#090D16 #152035 #263B61 #37568D #4A71B8

Accessibility & contrast

On white

11.17

#263B61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#263B61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263B61

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263B61	#FFFFFF	#000000	##FFFFFF
##263B61	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3E63

Deuteranopia (green-blind)

#243960

Tritanopia (blue-blind)

#004349

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #263b61;
/* rgb */ color: rgb(38, 59, 97);
/* oklch */ color: oklch(35.5% 0.072 261.5);

Tailwind

colors: {
  custom: {
    50: '#66708e',
    500: '#263b61',
    950: '#000000',
  },
}

SCSS

$custom: #263b61;
$custom-light: #66708e;
$custom-dark: #000000;

JSON

{
  "hex": "#263b61",
  "rgb": {
    "r": 38,
    "g": 59,
    "b": 97
  },
  "hsl": {
    "h": 218.644,
    "s": 43.704,
    "l": 26.471
  },
  "oklch": {
    "l": 0.35451,
    "c": 0.07171,
    "h": 261.5
  },
  "luminance": 0.04403
}

Semantic roles & 50–950 ramp

primary

#263B61

secondary

#947B4F

accent

#A654D3

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #263B61

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

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