#1C129D#1C129D

#1C129D is a dark, highly saturated blue. Relative luminance 0.031; OKLCH L 33.7% C 0.203 H 270.5°. Best body text is #FFFFFF at 12.94:1 contrast (WCAG AA passes).

Color values

HEX	#1C129D
RGB	rgb(28, 18, 157)
HSL	hsl(244, 79%, 34%)
HSV	hsv(244, 89%, 62%)
CMYK	cmyk(82.2%, 88.5%, 0%, 38.4%)
CIE-LAB	lab(20.49, 50.06, -70.24)
CIE-LCH	lch(20.49, 86.26, 305.48°)
OKLab	oklab(33.7% 0.0018 -0.2032)
OKLCH	oklch(33.7% 0.203 270.5)
XYZ	xyz(6.7789, 3.1130, 32.1353)
Luminance	0.0311 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C129D #939D12

analogous

#124D9D #1C129D #62129D

triadic

#1C129D #9D1C12 #129D1C

tetradic

#1C129D #9D124D #939D12 #129D62

square

#1C129D #9D124D #939D12 #129D62

split-complementary

#1C129D #9D6212 #4D9D12

monochromatic

#08052F #120C66 #1C129D #2618D4 #4C40E9

Accessibility & contrast

On white

12.94

#1C129D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#1C129D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C129D

12.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C129D	#FFFFFF	#000000	##FFFFFF
##1C129D	1.00	12.94	1.62	12.94
#FFFFFF	12.94	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0038A1

Deuteranopia (green-blind)

#002A9B

Tritanopia (blue-blind)

#00425C

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1c129d;
/* rgb */ color: rgb(28, 18, 157);
/* oklch */ color: oklch(33.7% 0.203 270.5);

Tailwind

colors: {
  custom: {
    50: '#7457bb',
    500: '#1c129d',
    950: '#000000',
  },
}

SCSS

$custom: #1c129d;
$custom-light: #7457bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1c129d",
  "rgb": {
    "r": 28,
    "g": 18,
    "b": 157
  },
  "hsl": {
    "h": 244.317,
    "s": 79.429,
    "l": 34.314
  },
  "oklch": {
    "l": 0.33698,
    "c": 0.20317,
    "h": 270.5
  },
  "luminance": 0.03114
}

Semantic roles & 50–950 ramp

primary

#1C129D

secondary

#BFC942

accent

#F632E8

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0312

muted

#7C7881

Preview Lab

Preview with #1C129D

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

Preview Lab → · Contrast checker → · Palette generator →