#367FCC

Closest named color: Windows Blue (#3778BF). oklch(58.8% 0.139 252.3), rgb(54, 127, 204).

Black text reads best on this color (5.06:1).

About this color

#367FCC is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.139 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Windows Blue (#3778BF), ΔE 0.025 away. Black text reads best on it, at 5.06:1.

Hue family	Blues
Lightness	medium-dark (59%)
Chroma	moderately saturated (0.139)
Temperature	cool
Nearest name	Windows Blue (#3778BF)
Black text	5.06:1
White text	4.14:1

Values

HEX	#367FCC
RGB	rgb(54, 127, 204)
HSL	hsl(211, 60%, 51%)
OKLCH	oklch(58.8% 0.139 252.3)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

Pair	WCAG 2	Result	APCA	APCA guidance
White text on #367FCC	4.14:1	AA large text	Lc -73.7	Content text, not long reading
Black text on #367FCC	5.06:1	AA	Lc 35.9	Non-text elements, placeholder text
#367FCC text on white	4.14:1	AA large text	Lc 68.2	Content text, not long reading
#367FCC text on black	5.06:1	AA	Lc -33.5	Non-text elements, placeholder text

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.

Step 50
50

#F2F6FB

oklch(97.2% 0.008 253.9)
Step 100
100

#E2EBF6

oklch(93.7% 0.018 253.3)
Step 200
200

#C9DBF0

oklch(88.4% 0.035 252.3)
Step 300
300

#A4C4E9

oklch(80.9% 0.063 252.3)
Step 400
400

#72A4DD

oklch(70.6% 0.1 252.4)
Step 500
500

#4B8DD4

oklch(63.2% 0.127 252)
Step 600
600 (this color)

#367FCC

oklch(58.8% 0.139 252.3)
Step 700
700

#1D62A7

oklch(49.1% 0.129 252.3)
Step 800
800

#1B5087

oklch(42.6% 0.107 252.5)
Step 900
900

#1D436C

oklch(37.7% 0.083 252.4)
Step 950
950

#12273F

oklch(26.9% 0.053 253.1)

Export this scale for Tailwind in the Tailwind colors tool

#367FCC with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

Vision	Seen as	Shift (ΔE)
Protanopia (no red cones)	#5B84CF	0.039
Deuteranopia (no green cones)	#4476CA	0.025
Tritanopia (no blue cones)	#00919C	0.104
Achromatopsia (no color)	#7C7C7C	0.139