#6783CE
Closest named color: Soft Blue (#6488EA). oklch(62.1% 0.118 267.4), rgb(103, 131, 206).
Aa
Black text reads best on this color (5.71:1).
About this color
#6783CE is a medium-light, moderately saturated blue. In OKLCH its lightness is 62%, its chroma 0.118 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.042 away. Black text reads best on it, at 5.71:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.71:1 |
| White text | 3.67:1 |
Values
| HEX | #6783CE |
| RGB | rgb(103, 131, 206) |
| HSL | hsl(224, 51%, 61%) |
| OKLCH | oklch(62.1% 0.118 267.4) |
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 #6783CE | 3.67:1 | AA large text | Lc -69.7 | Content text, not long reading |
| Black text on #6783CE | 5.71:1 | AA | Lc 39.9 | Non-text elements, placeholder text |
| #6783CE text on white | 3.67:1 | AA large text | Lc 64.2 | Content text, not long reading |
| #6783CE text on black | 5.71:1 | AA | Lc -37.5 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#D0D9EF
oklch(88.5% 0.032 268)
-
Step 300
300
#B0C0E7
oklch(80.9% 0.058 267.6)
-
Step 400
400
#879FDB
oklch(70.7% 0.092 267.3)
-
Step 500
500 (this color)
#6783CE
oklch(62.1% 0.118 267.4)
-
Step 600
600
#526EBE
oklch(55.5% 0.129 267.6)
-
Step 700
700
#435CA4
oklch(49.1% 0.119 267.5)
-
Step 800
800
#374B85
oklch(42.6% 0.1 267.7)
-
Step 900
900
#2F3F6B
oklch(37.6% 0.078 267.5)
-
Step 950
950
#1C253E
oklch(26.9% 0.049 268)
#6783CE 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) | #668AD1 | 0.018 |
| Deuteranopia (no green cones) | #5B81CC | 0.016 |
| Tritanopia (no blue cones) | #3A939F | 0.106 |
| Achromatopsia (no color) | #858585 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6783CE
#6783CE
oklch(62.1% 0.118 267.4)
- #A5811C
#A5811C
oklch(62.1% 0.119 87.2)
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 #6783CE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.042
- Faded Blue #658CBB ΔE 0.043
- Dark Sky Blue #448EE4 ΔE 0.048
- Cool Blue #4984B8 ΔE 0.049
- Off Blue #5684AE ΔE 0.056
- Steel Blue #4682B4 ΔE 0.056
- Dusty Blue #5A86AD ΔE 0.057
- Cornflower Blue #6495ED ΔE 0.060
Use #6783CE 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.