#3B8ECD

Closest named color: Water Blue (#0E87CC). oklch(62.5% 0.124 244.8), rgb(59, 142, 205).

Black text reads best on this color (5.93:1).

About this color

#3B8ECD is a medium-light, moderately saturated blue. In OKLCH its lightness is 62%, its chroma 0.124 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.031 away. Black text reads best on it, at 5.93:1.

Hue family	Blues
Lightness	medium-light (62%)
Chroma	moderately saturated (0.124)
Temperature	cool
Nearest name	Water Blue (#0E87CC)
Black text	5.93:1
White text	3.53:1

Values

HEX	#3B8ECD
RGB	rgb(59, 142, 205)
HSL	hsl(206, 59%, 52%)
OKLCH	oklch(62.5% 0.124 244.8)

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 #3B8ECD	3.53:1	AA large text	Lc -68.1	Content text, not long reading
Black text on #3B8ECD	5.93:1	AA	Lc 41.4	Non-text elements, placeholder text
#3B8ECD text on white	3.53:1	AA large text	Lc 62.6	Content text, not long reading
#3B8ECD text on black	5.93:1	AA	Lc -39.0	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

#F1F6FB

oklch(97.1% 0.009 247.9)
Step 100
100

#E1EBF5

oklch(93.5% 0.017 248)
Step 200
200

#C7DCEE

oklch(88.4% 0.034 244)
Step 300
300

#A0C6E6

oklch(81% 0.061 244)
Step 400
400

#6AA7D9

oklch(70.7% 0.097 244.5)
Step 500
500 (this color)

#3B8ECD

oklch(62.5% 0.124 244.8)
Step 600
600

#0E79BC

oklch(55.6% 0.135 244.7)
Step 700
700

#0065A1

oklch(49% 0.124 245.1)
Step 800
800

#065383

oklch(42.7% 0.103 244.5)
Step 900
900

#134569

oklch(37.7% 0.081 244.5)
Step 950
950

#0D293E

oklch(27.1% 0.052 244.2)

Export this scale for Tailwind in the Tailwind colors tool

#3B8ECD 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)	#7190D0	0.054
Deuteranopia (no green cones)	#5D82CC	0.041
Tritanopia (no blue cones)	#009DA4	0.089
Achromatopsia (no color)	#888888	0.124