#6783CB
Closest named color: Faded Blue (#658CBB). oklch(62% 0.114 267), rgb(103, 131, 203).
Aa
Black text reads best on this color (5.68:1).
About this color
#6783CB is a medium-dark, moderately saturated blue. In OKLCH its lightness is 62%, its chroma 0.114 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.039 away. Black text reads best on it, at 5.68:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 5.68:1 |
| White text | 3.69:1 |
Values
| HEX | #6783CB |
| RGB | rgb(103, 131, 203) |
| HSL | hsl(223, 49%, 60%) |
| OKLCH | oklch(62% 0.114 267) |
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 #6783CB | 3.69:1 | AA large text | Lc -69.9 | Content text, not long reading |
| Black text on #6783CB | 5.68:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #6783CB text on white | 3.69:1 | AA large text | Lc 64.4 | Content text, not long reading |
| #6783CB text on black | 5.68:1 | AA | Lc -37.3 | 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
#D0D9EE
oklch(88.5% 0.031 267.2)
-
Step 300
300
#B0C0E6
oklch(80.8% 0.057 267.2)
-
Step 400
400
#879FD9
oklch(70.6% 0.09 266.8)
-
Step 500
500 (this color)
#6783CB
oklch(62% 0.114 267)
-
Step 600
600
#526FBC
oklch(55.6% 0.125 266.8)
-
Step 700
700
#435CA2
oklch(49% 0.116 267.3)
-
Step 800
800
#374C83
oklch(42.7% 0.095 266.7)
-
Step 900
900
#304069
oklch(37.8% 0.073 266.8)
-
Step 950
950
#1C253E
oklch(26.9% 0.049 268)
#6783CB 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) | #688ACE | 0.019 |
| Deuteranopia (no green cones) | #5D81C9 | 0.014 |
| Tritanopia (no blue cones) | #3D929D | 0.102 |
| Achromatopsia (no color) | #858585 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6783CB
#6783CB
oklch(62% 0.114 267)
- #A48124
#A48124
oklch(62.1% 0.114 86.9)
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 #6783CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.039
- Cool Blue #4984B8 ΔE 0.046
- Soft Blue #6488EA ΔE 0.046
- Dark Sky Blue #448EE4 ΔE 0.050
- Off Blue #5684AE ΔE 0.051
- Steel Blue #4682B4 ΔE 0.053
- Dusty Blue #5A86AD ΔE 0.053
- Cornflower Blue #6495ED ΔE 0.062
Use #6783CB 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.