#6693AA
Closest named color: Blue Grey (#758DA3). oklch(63.9% 0.06 231.1), rgb(102, 147, 170).
Aa
Black text reads best on this color (6.31:1).
About this color
#6693AA is a medium-light, muted blue. In OKLCH its lightness is 64%, its chroma 0.060 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Grey (#758DA3), ΔE 0.022 away. Black text reads best on it, at 6.31:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Blue Grey (#758DA3) |
| Black text | 6.31:1 |
| White text | 3.32:1 |
Values
| HEX | #6693AA |
| RGB | rgb(102, 147, 170) |
| HSL | hsl(200, 29%, 53%) |
| OKLCH | oklch(63.9% 0.06 231.1) |
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 #6693AA | 3.32:1 | AA large text | Lc -66.0 | Content text, not long reading |
| Black text on #6693AA | 6.31:1 | AA | Lc 43.5 | Non-text elements, placeholder text |
| #6693AA text on white | 3.32:1 | AA large text | Lc 60.6 | Content text, not long reading |
| #6693AA text on black | 6.31:1 | AA | Lc -41.1 | 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
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CFDBE2
oklch(88.4% 0.016 233)
-
Step 300
300
#AEC5D0
oklch(81% 0.029 228.2)
-
Step 400
400
#83A6B9
oklch(70.6% 0.047 232)
-
Step 500
500 (this color)
#6693AA
oklch(63.9% 0.06 231.1)
-
Step 600
600
#4A7A93
oklch(55.5% 0.065 232.3)
-
Step 700
700
#3A677D
oklch(49.1% 0.061 231)
-
Step 800
800
#315466
oklch(42.7% 0.05 232)
-
Step 900
900
#2B4653
oklch(37.8% 0.04 229.9)
-
Step 950
950
#1A2930
oklch(27.1% 0.024 228.7)
#6693AA 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) | #8891AB | 0.043 |
| Deuteranopia (no green cones) | #7E8AAA | 0.037 |
| Tritanopia (no blue cones) | #4C999A | 0.043 |
| Achromatopsia (no color) | #8D8D8D | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6693AA
#6693AA
oklch(63.9% 0.06 231.1)
- #AA826B
#AA826B
oklch(63.9% 0.06 51.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6693AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Grey #758DA3 ΔE 0.022
- Silver Lake Blue #778DA9 ΔE 0.025
- Light Slate Gray #778899 ΔE 0.037
- Faded Blue #658CBB ΔE 0.038
- Cadet Blue #5F9EA0 ΔE 0.040
- Dusty Blue #5A86AD ΔE 0.043
- Steel #738595 ΔE 0.043
- Greyblue #77A1B5 ΔE 0.047
Use #6693AA in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.