#669AD2
Closest named color: Faded Blue (#658CBB). oklch(67.3% 0.1 251.2), rgb(102, 154, 210).
Aa
Black text reads best on this color (7.11:1).
About this color
#669AD2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.100 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.046 away. Black text reads best on it, at 7.11:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 7.11:1 |
| White text | 2.95:1 |
Values
| HEX | #669AD2 |
| RGB | rgb(102, 154, 210) |
| HSL | hsl(211, 55%, 61%) |
| OKLCH | oklch(67.3% 0.1 251.2) |
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 #669AD2 | 2.95:1 | Fails | Lc -61.2 | Content text, not long reading |
| Black text on #669AD2 | 7.11:1 | AAA | Lc 48.2 | Large or bold text, headings |
| #669AD2 text on white | 2.95:1 | Fails | Lc 55.9 | Large or bold text, headings |
| #669AD2 text on black | 7.11:1 | AAA | Lc -45.9 | Large or bold text, headings |
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 400.
-
Step 50
50
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C9DBF0
oklch(88.4% 0.035 252.3)
-
Step 300
300
#A3C4E9
oklch(80.9% 0.064 251.5)
-
Step 400
400 (this color)
#669AD2
oklch(67.3% 0.1 251.2)
-
Step 500
500
#488DD4
oklch(63.1% 0.128 251.1)
-
Step 600
600
#2776C1
oklch(55.7% 0.139 251)
-
Step 700
700
#1862A7
oklch(49% 0.13 251.5)
-
Step 800
800
#185187
oklch(42.8% 0.107 251)
-
Step 900
900
#1B436C
oklch(37.6% 0.084 251.5)
-
Step 950
950
#11283F
oklch(27.1% 0.052 250.3)
#669AD2 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) | #839CD5 | 0.035 |
| Deuteranopia (no green cones) | #7691D1 | 0.028 |
| Tritanopia (no blue cones) | #2EA7AD | 0.088 |
| Achromatopsia (no color) | #969696 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669AD2
#669AD2
oklch(67.3% 0.1 251.2)
- #BD8B4C
#BD8B4C
oklch(67.2% 0.101 71)
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 #669AD2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.046
- Cornflower Blue #6495ED ΔE 0.046
- Chefchaouen Blue #4895EF ΔE 0.055
- Greyblue #77A1B5 ΔE 0.056
- Dark Sky Blue #448EE4 ΔE 0.059
- Silver Lake Blue #778DA9 ΔE 0.063
- Soft Blue #6488EA ΔE 0.067
- Cool Gray #8D99AE ΔE 0.068
Use #669AD2 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.