#669EDE
Closest named color: Cornflower Blue (#6495ED). oklch(68.7% 0.112 252.7), rgb(102, 158, 222).
Aa
Black text reads best on this color (7.51:1).
About this color
#669EDE is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.112 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.037 away. Black text reads best on it, at 7.51:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.51:1 |
| White text | 2.79:1 |
Values
| HEX | #669EDE |
| RGB | rgb(102, 158, 222) |
| HSL | hsl(212, 65%, 64%) |
| OKLCH | oklch(68.7% 0.112 252.7) |
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 #669EDE | 2.79:1 | Fails | Lc -58.9 | Large or bold text, headings |
| Black text on #669EDE | 7.51:1 | AAA | Lc 50.4 | Large or bold text, headings |
| #669EDE text on white | 2.79:1 | Fails | Lc 53.7 | Large or bold text, headings |
| #669EDE text on black | 7.51:1 | AAA | Lc -48.2 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C7DBF3
oklch(88.4% 0.04 253)
-
Step 300
300
#A1C4ED
oklch(80.9% 0.069 252.7)
-
Step 400
400 (this color)
#669EDE
oklch(68.7% 0.112 252.7)
-
Step 500
500
#418CDD
oklch(63.1% 0.143 252.6)
-
Step 600
600
#1C74CB
oklch(55.6% 0.156 252.9)
-
Step 700
700
#0B61AF
oklch(49.1% 0.144 252.6)
-
Step 800
800
#10508E
oklch(42.8% 0.119 252.5)
-
Step 900
900
#164371
oklch(37.8% 0.093 252.1)
-
Step 950
950
#0F2742
oklch(26.9% 0.059 253.1)
#669EDE 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) | #84A1E1 | 0.036 |
| Deuteranopia (no green cones) | #7595DD | 0.027 |
| Tritanopia (no blue cones) | #19ADB4 | 0.099 |
| Achromatopsia (no color) | #9B9B9B | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669EDE
#669EDE
oklch(68.7% 0.112 252.7)
- #C58F44
#C58F44
oklch(68.8% 0.113 72.9)
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 #669EDE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.037
- Chefchaouen Blue #4895EF ΔE 0.049
- Dark Sky Blue #448EE4 ΔE 0.060
- Faded Blue #658CBB ΔE 0.064
- Soft Blue #6488EA ΔE 0.066
- Greyblue #77A1B5 ΔE 0.066
- Perrywinkle #8F8CE7 ΔE 0.069
- Periwinkle Blue #8F99FB ΔE 0.069
Use #669EDE 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.