#1C5099#1C5099

#1C5099 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 43.9% C 0.131 H 257.8°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#1C5099
RGB	rgb(28, 80, 153)
HSL	hsl(215, 69%, 35%)
HSV	hsv(215, 82%, 60%)
CMYK	cmyk(81.7%, 47.7%, 0%, 40%)
CIE-LAB	lab(34.57, 10.74, -44.74)
CIE-LCH	lch(34.57, 46.01, 283.50°)
OKLab	oklab(43.91% -0.0277 -0.1285)
OKLCH	oklch(43.91% 0.131 257.8)
XYZ	xyz(9.0952, 8.2830, 31.2502)
Luminance	0.0828 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5099 #99651C

analogous

#1C8E99 #1C5099 #261C99

triadic

#1C5099 #991C50 #50991C

tetradic

#1C5099 #991C8E #99651C #1C9926

square

#1C5099 #991C8E #99651C #1C9926

split-complementary

#1C5099 #99261C #8E991C

monochromatic

#091A32 #133565 #1C5099 #256BCD #508CDF

Accessibility & contrast

On white

7.90

#1C5099 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#1C5099 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5099

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5099	#FFFFFF	#000000	##FFFFFF
##1C5099	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28579C

Deuteranopia (green-blind)

#024C98

Tritanopia (blue-blind)

#00616D

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1c5099;
/* rgb */ color: rgb(28, 80, 153);
/* oklch */ color: oklch(43.9% 0.131 257.8);

Tailwind

colors: {
  custom: {
    50: '#6d80b7',
    500: '#1c5099',
    950: '#000000',
  },
}

SCSS

$custom: #1c5099;
$custom-light: #6d80b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5099",
  "rgb": {
    "r": 28,
    "g": 80,
    "b": 153
  },
  "hsl": {
    "h": 215.04,
    "s": 69.061,
    "l": 35.49
  },
  "oklch": {
    "l": 0.43912,
    "c": 0.13148,
    "h": 257.8
  },
  "luminance": 0.08284
}

Semantic roles & 50–950 ramp

primary

#1C5099

secondary

#C2924F

accent

#A33CEC

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1C5099

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

Preview Lab → · Contrast checker → · Palette generator →