#6997B4

Closest named color: Silver Lake Blue (#778DA9). oklch(65.4% 0.066 236.8), rgb(105, 151, 180).

Black text reads best on this color (6.68:1).

About this color

#6997B4 is a medium-light, muted blue. In OKLCH its lightness is 65%, its chroma 0.066 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.030 away. Black text reads best on it, at 6.68:1.

Hue family	Blues
Lightness	medium-light (65%)
Chroma	muted (0.066)
Temperature	cool
Nearest name	Silver Lake Blue (#778DA9)
Black text	6.68:1
White text	3.14:1

Values

HEX	#6997B4
RGB	rgb(105, 151, 180)
HSL	hsl(203, 33%, 56%)
OKLCH	oklch(65.4% 0.066 236.8)

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 #6997B4	3.14:1	AA large text	Lc -63.8	Content text, not long reading
Black text on #6997B4	6.68:1	AA	Lc 45.6	Large or bold text, headings
#6997B4 text on white	3.14:1	AA large text	Lc 58.4	Large or bold text, headings
#6997B4 text on black	6.68:1	AA	Lc -43.3	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

#F3F6F8

oklch(97.1% 0.004 236.5)
Step 100
100

#E4EBEF

oklch(93.6% 0.009 232.4)
Step 200
200

#CFDBE4

oklch(88.5% 0.018 240)
Step 300
300

#AEC4D3

oklch(80.8% 0.032 237.7)
Step 400
400

#82A6BD

oklch(70.7% 0.052 236.5)
Step 500
500 (this color)

#6997B4

oklch(65.4% 0.066 236.8)
Step 600
600

#487A98

oklch(55.7% 0.071 236.4)
Step 700
700

#396682

oklch(49% 0.067 237.6)
Step 800
800

#30546A

oklch(42.8% 0.055 236.9)
Step 900
900

#2B4556

oklch(37.7% 0.043 238.1)
Step 950
950

#192932

oklch(27.1% 0.027 233.8)

Export this scale for Tailwind in the Tailwind colors tool

#6997B4 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)	#8A96B5	0.041
Deuteranopia (no green cones)	#808EB4	0.036
Tritanopia (no blue cones)	#4C9FA0	0.052
Achromatopsia (no color)	#919191	0.066