#6781D2
Closest named color: Soft Blue (#6488EA). oklch(61.9% 0.126 269.1), rgb(103, 129, 210).
Aa
Black text reads best on this color (5.64:1).
About this color
#6781D2 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 62%, its chroma 0.126 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.037 away. Black text reads best on it, at 5.64:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.64:1 |
| White text | 3.71:1 |
Values
| HEX | #6781D2 |
| RGB | rgb(103, 129, 210) |
| HSL | hsl(225, 54%, 61%) |
| OKLCH | oklch(61.9% 0.126 269.1) |
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 #6781D2 | 3.71:1 | AA large text | Lc -70.1 | Content text, not long reading |
| Black text on #6781D2 | 5.64:1 | AA | Lc 39.5 | Non-text elements, placeholder text |
| #6781D2 text on white | 3.71:1 | AA large text | Lc 64.6 | Content text, not long reading |
| #6781D2 text on black | 5.64:1 | AA | Lc -37.0 | 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
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#D0D9F1
oklch(88.6% 0.034 269.3)
-
Step 300
300
#B0C0EA
oklch(81% 0.062 268.6)
-
Step 400
400
#879EDF
oklch(70.7% 0.099 268.9)
-
Step 500
500 (this color)
#6781D2
oklch(61.9% 0.126 269.1)
-
Step 600
600
#536DC3
oklch(55.7% 0.137 269)
-
Step 700
700
#435AA9
oklch(49% 0.129 269)
-
Step 800
800
#384A89
oklch(42.7% 0.107 269.5)
-
Step 900
900
#303E6D
oklch(37.6% 0.083 269.6)
-
Step 950
950
#1C2540
oklch(27.1% 0.052 268.8)
#6781D2 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) | #6189D5 | 0.021 |
| Deuteranopia (no green cones) | #5580D0 | 0.022 |
| Tritanopia (no blue cones) | #37929F | 0.113 |
| Achromatopsia (no color) | #848484 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6781D2
#6781D2
oklch(61.9% 0.126 269.1)
- #A58101
#A58101
oklch(62% 0.127 88.9)
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 #6781D2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.037
- Dark Sky Blue #448EE4 ΔE 0.047
- Faded Blue #658CBB ΔE 0.052
- Cool Blue #4984B8 ΔE 0.055
- Cornflower Blue #6495ED ΔE 0.060
- Steel Blue #4682B4 ΔE 0.061
- Cornflower #6A79F7 ΔE 0.063
- Off Blue #5684AE ΔE 0.063
Use #6781D2 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.