#1F267B#1F267B

#1F267B is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.6% C 0.142 H 272.0°. Best body text is #FFFFFF at 12.95:1 contrast (WCAG AA passes).

Color values

HEX	#1F267B
RGB	rgb(31, 38, 123)
HSL	hsl(235, 60%, 30%)
HSV	hsv(235, 75%, 48%)
CMYK	cmyk(74.8%, 69.1%, 0%, 51.8%)
CIE-LAB	lab(20.47, 28.04, -49.04)
CIE-LCH	lch(20.47, 56.49, 299.76°)
OKLab	oklab(32.58% 0.0049 -0.1418)
OKLCH	oklch(32.58% 0.142 272)
XYZ	xyz(4.8321, 3.1071, 19.0801)
Luminance	0.0311 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F267B #7B741F

analogous

#1F547B #1F267B #461F7B

triadic

#1F267B #7B1F26 #267B1F

tetradic

#1F267B #7B1F54 #7B741F #1F7B46

square

#1F267B #7B1F54 #7B741F #1F7B46

split-complementary

#1F267B #7B461F #547B1F

monochromatic

#060819 #13174A #1F267B #2B35AC #444FD0

Accessibility & contrast

On white

12.95

#1F267B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#1F267B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F267B

12.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F267B	#FFFFFF	#000000	##FFFFFF
##1F267B	1.00	12.95	1.62	12.95
#FFFFFF	12.95	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00367E

Deuteranopia (green-blind)

#002D79

Tritanopia (blue-blind)

#003D4D

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1f267b;
/* rgb */ color: rgb(31, 38, 123);
/* oklch */ color: oklch(32.6% 0.142 272.0);

Tailwind

colors: {
  custom: {
    50: '#6a60a2',
    500: '#1f267b',
    950: '#000000',
  },
}

SCSS

$custom: #1f267b;
$custom-light: #6a60a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f267b",
  "rgb": {
    "r": 31,
    "g": 38,
    "b": 123
  },
  "hsl": {
    "h": 235.435,
    "s": 59.74,
    "l": 30.196
  },
  "oklch": {
    "l": 0.32579,
    "c": 0.14186,
    "h": 272
  },
  "luminance": 0.03108
}

Semantic roles & 50–950 ramp

primary

#1F267B

secondary

#AEA648

accent

#D745E3

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1F267B

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

Preview Lab → · Contrast checker → · Palette generator →