#1C2F85#1C2F85

#1C2F85 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.1% C 0.145 H 268.1°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#1C2F85
RGB	rgb(28, 47, 133)
HSL	hsl(229, 65%, 32%)
HSV	hsv(229, 79%, 52%)
CMYK	cmyk(78.9%, 64.7%, 0%, 47.8%)
CIE-LAB	lab(23.58, 25.42, -50.26)
CIE-LCH	lch(23.58, 56.32, 296.83°)
OKLab	oklab(35.11% -0.0048 -0.1453)
OKLCH	oklch(35.11% 0.145 268.1)
XYZ	xyz(5.7276, 3.9727, 22.6507)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2F85 #85721C

analogous

#1C6485 #1C2F85 #3E1C85

triadic

#1C2F85 #851C2F #2F851C

tetradic

#1C2F85 #851C64 #85721C #1C853E

square

#1C2F85 #851C64 #85721C #1C853E

split-complementary

#1C2F85 #853E1C #64851C

monochromatic

#070B20 #111D52 #1C2F85 #2741B8 #445FD8

Accessibility & contrast

On white

11.70

#1C2F85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#1C2F85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2F85

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2F85	#FFFFFF	#000000	##FFFFFF
##1C2F85	1.00	11.70	1.79	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D88

Deuteranopia (green-blind)

#003383

Tritanopia (blue-blind)

#004555

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1c2f85;
/* rgb */ color: rgb(28, 47, 133);
/* oklch */ color: oklch(35.1% 0.145 268.1);

Tailwind

colors: {
  custom: {
    50: '#6a67a9',
    500: '#1c2f85',
    950: '#000000',
  },
}

SCSS

$custom: #1c2f85;
$custom-light: #6a67a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2f85",
  "rgb": {
    "r": 28,
    "g": 47,
    "b": 133
  },
  "hsl": {
    "h": 229.143,
    "s": 65.217,
    "l": 31.569
  },
  "oklch": {
    "l": 0.35109,
    "c": 0.14542,
    "h": 268.1
  },
  "luminance": 0.03973
}

Semantic roles & 50–950 ramp

primary

#1C2F85

secondary

#B8A345

accent

#CA40E8

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #1C2F85

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

Preview Lab → · Contrast checker → · Palette generator →