#6B83DA
Closest named color: Soft Blue (#6488EA). oklch(63.1% 0.134 270.5), rgb(107, 131, 218).
Aa
Black text reads best on this color (5.88:1).
About this color
#6B83DA is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.134 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.025 away. Black text reads best on it, at 5.88:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.88:1 |
| White text | 3.56:1 |
Values
| HEX | #6B83DA |
| RGB | rgb(107, 131, 218) |
| HSL | hsl(227, 60%, 64%) |
| OKLCH | oklch(63.1% 0.134 270.5) |
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 #6B83DA | 3.56:1 | AA large text | Lc -68.6 | Content text, not long reading |
| Black text on #6B83DA | 5.88:1 | AA | Lc 40.9 | Non-text elements, placeholder text |
| #6B83DA text on white | 3.56:1 | AA large text | Lc 63.1 | Content text, not long reading |
| #6B83DA text on black | 5.88:1 | AA | Lc -38.5 | 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)
#6B83DA
oklch(63.1% 0.134 270.5)
-
Step 600
600
#546BC8
oklch(55.6% 0.146 270.6)
-
Step 700
700
#4559AD
oklch(49.2% 0.135 270.7)
-
Step 800
800
#38498C
oklch(42.7% 0.112 270.3)
-
Step 900
900
#303E70
oklch(37.8% 0.087 270)
-
Step 950
950
#1C2441
oklch(26.9% 0.055 270.7)
#6B83DA 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) | #608DDD | 0.027 |
| Deuteranopia (no green cones) | #5483D8 | 0.027 |
| Tritanopia (no blue cones) | #3A96A4 | 0.120 |
| Achromatopsia (no color) | #878787 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B83DA
#6B83DA
oklch(63.1% 0.134 270.5)
- #A78500
#A78500
oklch(63.1% 0.129 90.6)
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 #6B83DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.025
- Dark Sky Blue #448EE4 ΔE 0.045
- Cornflower Blue #6495ED ΔE 0.050
- Cornflower #6A79F7 ΔE 0.054
- Chefchaouen Blue #4895EF ΔE 0.057
- Perrywinkle #8F8CE7 ΔE 0.059
- Faded Blue #658CBB ΔE 0.059
- Lavender Blue #8B88F8 ΔE 0.064
Use #6B83DA 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.