#667ED4
Closest named color: Soft Blue (#6488EA). oklch(61.4% 0.133 270.3), rgb(102, 126, 212).
Aa
Black text reads best on this color (5.49:1).
About this color
#667ED4 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.133 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.038 away. Black text reads best on it, at 5.49:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.133) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.49:1 |
| White text | 3.81:1 |
Values
| HEX | #667ED4 |
| RGB | rgb(102, 126, 212) |
| HSL | hsl(227, 56%, 62%) |
| OKLCH | oklch(61.4% 0.133 270.3) |
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 #667ED4 | 3.81:1 | AA large text | Lc -71.0 | Content text, not long reading |
| Black text on #667ED4 | 5.49:1 | AA | Lc 38.5 | Non-text elements, placeholder text |
| #667ED4 text on white | 3.81:1 | AA large text | Lc 65.5 | Content text, not long reading |
| #667ED4 text on black | 5.49:1 | AA | Lc -36.1 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5EAF7
oklch(93.7% 0.018 269.1)
-
Step 200
200
#D0D9F2
oklch(88.6% 0.036 269.9)
-
Step 300
300
#B0BFEC
oklch(80.9% 0.066 270.5)
-
Step 400
400
#889DE2
oklch(70.7% 0.104 270.6)
-
Step 500
500 (this color)
#667ED4
oklch(61.4% 0.133 270.3)
-
Step 600
600
#546BC7
oklch(55.6% 0.145 270.5)
-
Step 700
700
#4459AC
oklch(49.1% 0.134 270.2)
-
Step 800
800
#38498B
oklch(42.6% 0.111 270.3)
-
Step 900
900
#303E6F
oklch(37.7% 0.086 269.9)
-
Step 950
950
#1C2441
oklch(26.9% 0.055 270.7)
#667ED4 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) | #5B88D7 | 0.027 |
| Deuteranopia (no green cones) | #4F7ED2 | 0.026 |
| Tritanopia (no blue cones) | #33909F | 0.118 |
| Achromatopsia (no color) | #828282 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #667ED4
#667ED4
oklch(61.4% 0.133 270.3)
- #A18000
#A18000
oklch(61.4% 0.125 90.5)
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 #667ED4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.038
- Dark Sky Blue #448EE4 ΔE 0.051
- Cornflower #6A79F7 ΔE 0.057
- Cool Blue #4984B8 ΔE 0.060
- Faded Blue #658CBB ΔE 0.061
- Windows Blue #3778BF ΔE 0.063
- Steel Blue #4682B4 ΔE 0.065
- Cornflower Blue #6495ED ΔE 0.065
Use #667ED4 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.