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Recognised as Colour

#153C95

  • #153C95
  • Blue
  • Dark
  • Nearest: Dark slateblue

#153C95 is a blue with RGB values 21, 60, 149 and HSL 222°, 75%, 33%. It is a dark colour, so white text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#153C95#153C95
HEX#153C95
RGBrgb(21, 60, 149)
RGB (0–1)0.0824, 0.2353, 0.5843
RGB percentages8.2%, 23.5%, 58.4%
HSLhsl(221.7, 75.3%, 33.3%)
HSV / HSBhsv(221.7, 85.9%, 58.4%)
CMYK85.9%, 59.7%, 0%, 41.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,391,765
CSS custom property--colour: #153C95;

Brightness & contrast

Relative luminance0.05561WCAG 2.x, 0 is black and 1 is white
Perceived brightness69.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.94:1
Contrast with white9.94:1WCAG normal text: AAA
Contrast with black2.11:1WCAG normal text: Fail
Greyscale equivalent#3A3A3A
Inverted#EAC36A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004998no red cones; affects about 1% of men; ΔE 10.5 from the original
Deuteranopia#003D93no green cones; the most common form, about 1% of men; ΔE 2.8 from the original
Tritanopia#005362no blue cones; rare, and affects men and women equally; ΔE 53.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.94:1WCAG large text: AAA
Contrast with black, large text2.11:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 11.4Midnight blue · ΔE 15.9Rebecca purple · ΔE 21.9Slate blue · ΔE 22.6Royal blue · ΔE 23.7Medium purple · ΔE 30.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 11.42, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#956E15
Analogous#157C95, #2E1595
Triadic#95153C, #3C9515
Split complementary#952E15, #7C9515
Tetradic#95157C, #956E15, #15952E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#88A7EE
Lighter +30%#5B86E8
Lighter +20%#2E65E2
Lighter +10%#1B4EC2
Darker −10%#0F2A68
Darker −20%#08183C
Darker −30%#02060F
Darker −40%#000000
More saturated +25%#0034AA
Less saturated −25%#2A4480

Channel breakdown

R21
G60
B149
Red21 (8.2%)
Green60 (23.5%)
Blue149 (58.4%)
Hue221.72°
Saturation (HSL)75.29%
Lightness33.33%
Dominant channelBlue
Hex per channelR 15 · G 3C · B 95

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Every value on this page was computed from “153c95” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.