#458DCB

Closest named color: Cool Blue (#4984B8). oklch(62.5% 0.119 247.1), rgb(69, 141, 203).

Black text reads best on this color (5.92:1).

About this color

#458DCB is a medium-light, moderately saturated blue. In OKLCH its lightness is 62%, its chroma 0.119 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Blue (#4984B8), ΔE 0.034 away. Black text reads best on it, at 5.92:1.

Hue family	Blues
Lightness	medium-light (62%)
Chroma	moderately saturated (0.119)
Temperature	cool
Nearest name	Cool Blue (#4984B8)
Black text	5.92:1
White text	3.54:1

Values

HEX	#458DCB
RGB	rgb(69, 141, 203)
HSL	hsl(208, 56%, 53%)
OKLCH	oklch(62.5% 0.119 247.1)

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 #458DCB	3.54:1	AA large text	Lc -68.3	Content text, not long reading
Black text on #458DCB	5.92:1	AA	Lc 41.3	Non-text elements, placeholder text
#458DCB text on white	3.54:1	AA large text	Lc 62.8	Content text, not long reading
#458DCB text on black	5.92:1	AA	Lc -38.9	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 500.

Step 50
50

#F1F6FA

oklch(97.1% 0.008 241.7)
Step 100
100

#E1EBF5

oklch(93.5% 0.017 248)
Step 200
200

#C9DCEE

oklch(88.6% 0.032 246.7)
Step 300
300

#A3C5E5

oklch(80.9% 0.058 247)
Step 400
400

#70A6D8

oklch(70.7% 0.093 247.4)
Step 500
500 (this color)

#458DCB

oklch(62.5% 0.119 247.1)
Step 600
600

#2478BA

oklch(55.6% 0.129 247.1)
Step 700
700

#1565A0

oklch(49.2% 0.119 246.7)
Step 800
800

#155282

oklch(42.6% 0.1 247.3)
Step 900
900

#1A4468

oklch(37.6% 0.077 247.6)
Step 950
950

#10283D

oklch(26.9% 0.05 247.3)

Export this scale for Tailwind in the Tailwind colors tool

#458DCB 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)	#728FCE	0.048
Deuteranopia (no green cones)	#5F82CA	0.036
Tritanopia (no blue cones)	#009CA3	0.090
Achromatopsia (no color)	#888888	0.119