#1C2F97#1C2F97

#1C2F97 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.9% C 0.170 H 268.1°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#1C2F97
RGB	rgb(28, 47, 151)
HSL	hsl(231, 69%, 35%)
HSV	hsv(231, 81%, 59%)
CMYK	cmyk(81.5%, 68.9%, 0%, 40.8%)
CIE-LAB	lab(25.30, 32.35, -58.60)
CIE-LCH	lch(25.30, 66.94, 298.90°)
OKLab	oklab(36.9% -0.0057 -0.1697)
OKLCH	oklch(36.9% 0.17 268.1)
XYZ	xyz(7.0794, 4.5134, 29.7702)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2F97 #97841C

analogous

#1C6C97 #1C2F97 #471C97

triadic

#1C2F97 #971C2F #2F971C

tetradic

#1C2F97 #971C6C #97841C #1C9747

square

#1C2F97 #971C6C #97841C #1C9747

split-complementary

#1C2F97 #97471C #6C971C

monochromatic

#090F30 #121F63 #1C2F97 #263FCB #4F65DE

Accessibility & contrast

On white

11.04

#1C2F97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#1C2F97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2F97

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2F97	#FFFFFF	#000000	##FFFFFF
##1C2F97	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429A

Deuteranopia (green-blind)

#003695

Tritanopia (blue-blind)

#004B5F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1c2f97;
/* rgb */ color: rgb(28, 47, 151);
/* oklch */ color: oklch(36.9% 0.170 268.1);

Tailwind

colors: {
  custom: {
    50: '#6f67b7',
    500: '#1c2f97',
    950: '#000000',
  },
}

SCSS

$custom: #1c2f97;
$custom-light: #6f67b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2f97",
  "rgb": {
    "r": 28,
    "g": 47,
    "b": 151
  },
  "hsl": {
    "h": 230.732,
    "s": 68.715,
    "l": 35.098
  },
  "oklch": {
    "l": 0.36896,
    "c": 0.16982,
    "h": 268.1
  },
  "luminance": 0.04514
}

Semantic roles & 50–950 ramp

primary

#1C2F97

secondary

#C1AF4E

accent

#D03CEC

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #1C2F97

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

Preview Lab → · Contrast checker → · Palette generator →