#1C458E#1C458E

#1C458E is a dark, vivid blue. Relative luminance 0.065; OKLCH L 40.6% C 0.130 H 260.9°. Best body text is #FFFFFF at 9.17:1 contrast (WCAG AA passes).

Color values

HEX	#1C458E
RGB	rgb(28, 69, 142)
HSL	hsl(218, 67%, 33%)
HSV	hsv(218, 80%, 56%)
CMYK	cmyk(80.3%, 51.4%, 0%, 44.3%)
CIE-LAB	lab(30.53, 13.77, -44.54)
CIE-LCH	lch(30.53, 46.62, 287.18°)
OKLab	oklab(40.57% -0.0205 -0.1282)
OKLCH	oklch(40.57% 0.13 260.9)
XYZ	xyz(7.4877, 6.4552, 26.4373)
Luminance	0.0646 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C458E #8E651C

analogous

#1C7E8E #1C458E #2C1C8E

triadic

#1C458E #8E1C45 #458E1C

tetradic

#1C458E #8E1C7E #8E651C #1C8E2C

square

#1C458E #8E1C7E #8E651C #1C8E2C

split-complementary

#1C458E #8E2C1C #7E8E1C

monochromatic

#081328 #122C5B #1C458E #265EC1 #497EDB

Accessibility & contrast

On white

9.17

#1C458E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#1C458E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C458E

9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C458E	#FFFFFF	#000000	##FFFFFF
##1C458E	1.00	9.17	2.29	9.17
#FFFFFF	9.17	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#184D91

Deuteranopia (green-blind)

#00438D

Tritanopia (blue-blind)

#005762

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1c458e;
/* rgb */ color: rgb(28, 69, 142);
/* oklch */ color: oklch(40.6% 0.130 260.9);

Tailwind

colors: {
  custom: {
    50: '#6b78b0',
    500: '#1c458e',
    950: '#000000',
  },
}

SCSS

$custom: #1c458e;
$custom-light: #6b78b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c458e",
  "rgb": {
    "r": 28,
    "g": 69,
    "b": 142
  },
  "hsl": {
    "h": 218.421,
    "s": 67.059,
    "l": 33.333
  },
  "oklch": {
    "l": 0.40571,
    "c": 0.1298,
    "h": 260.9
  },
  "luminance": 0.06456
}

Semantic roles & 50–950 ramp

primary

#1C458E

secondary

#BD9349

accent

#AC3EEA

background

#F6F7FA

surface

#ECEDF5

border

#C7C8CF

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #1C458E

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

Preview Lab → · Contrast checker → · Palette generator →