#123B90#123B90

#123B90 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.2% C 0.148 H 262.4°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#123B90
RGB	rgb(18, 59, 144)
HSL	hsl(220, 78%, 32%)
HSV	hsv(220, 88%, 56%)
CMYK	cmyk(87.5%, 59%, 0%, 43.5%)
CIE-LAB	lab(27.49, 20.58, -50.73)
CIE-LCH	lch(27.49, 54.74, 292.08°)
OKLab	oklab(38.22% -0.0195 -0.1467)
OKLCH	oklch(38.22% 0.148 262.4)
XYZ	xyz(6.8456, 5.2693, 27.0364)
Luminance	0.0527 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123B90 #906712

analogous

#127A90 #123B90 #281290

triadic

#123B90 #90123B #3B9012

tetradic

#123B90 #90127A #906712 #129028

square

#123B90 #90127A #906712 #129028

split-complementary

#123B90 #902812 #7A9012

monochromatic

#040E23 #0B255A #123B90 #1951C6 #3670E6

Accessibility & contrast

On white

10.22

#123B90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#123B90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123B90

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123B90	#FFFFFF	#000000	##FFFFFF
##123B90	1.00	10.22	2.05	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004793

Deuteranopia (green-blind)

#003B8E

Tritanopia (blue-blind)

#00515F

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #123b90;
/* rgb */ color: rgb(18, 59, 144);
/* oklch */ color: oklch(38.2% 0.148 262.4);

Tailwind

colors: {
  custom: {
    50: '#6a70b1',
    500: '#123b90',
    950: '#000000',
  },
}

SCSS

$custom: #123b90;
$custom-light: #6a70b1;
$custom-dark: #000000;

JSON

{
  "hex": "#123b90",
  "rgb": {
    "r": 18,
    "g": 59,
    "b": 144
  },
  "hsl": {
    "h": 220.476,
    "s": 77.778,
    "l": 31.765
  },
  "oklch": {
    "l": 0.38223,
    "c": 0.14798,
    "h": 262.4
  },
  "luminance": 0.0527
}

Semantic roles & 50–950 ramp

primary

#123B90

secondary

#C4973A

accent

#B634F4

background

#F6F6FB

surface

#ECECF6

border

#C7C7D0

text

#080711

muted

#7A7A80

Preview Lab

Preview with #123B90

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

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