#6877CF
Closest named color: Soft Blue (#6488EA). oklch(59.8% 0.135 274.3), rgb(104, 119, 207).
Aa
Black text reads best on this color (5.12:1).
About this color
#6877CF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 60%, its chroma 0.135 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.054 away. Black text reads best on it, at 5.12:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.135) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.12:1 |
| White text | 4.09:1 |
Values
| HEX | #6877CF |
| RGB | rgb(104, 119, 207) |
| HSL | hsl(231, 52%, 61%) |
| OKLCH | oklch(59.8% 0.135 274.3) |
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 #6877CF | 4.09:1 | AA large text | Lc -73.5 | Content text, not long reading |
| Black text on #6877CF | 5.12:1 | AA | Lc 36.1 | Non-text elements, placeholder text |
| #6877CF text on white | 4.09:1 | AA large text | Lc 68.0 | Content text, not long reading |
| #6877CF text on black | 5.12:1 | AA | Lc -33.7 | 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
#E6E9F7
oklch(93.6% 0.019 276.3)
-
Step 200
200
#D1D8F2
oklch(88.5% 0.037 273.7)
-
Step 300
300
#B3BEEC
oklch(80.9% 0.066 274.3)
-
Step 400
400
#8C9BE2
oklch(70.6% 0.105 274.3)
-
Step 500
500 (this color)
#6877CF
oklch(59.8% 0.135 274.3)
-
Step 600
600
#5B69C8
oklch(55.7% 0.147 274.3)
-
Step 700
700
#4B57AD
oklch(49.2% 0.136 274.3)
-
Step 800
800
#3D478C
oklch(42.6% 0.114 274.3)
-
Step 900
900
#343C70
oklch(37.6% 0.089 274.7)
-
Step 950
950
#1E2441
oklch(27% 0.055 273.4)
#6877CF 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) | #5382D2 | 0.035 |
| Deuteranopia (no green cones) | #4979CD | 0.036 |
| Tritanopia (no blue cones) | #3E8A99 | 0.120 |
| Achromatopsia (no color) | #7D7D7D | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6877CF
#6877CF
oklch(59.8% 0.135 274.3)
- #977D00
#977D00
oklch(59.7% 0.122 94.3)
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 #6877CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.054
- Windows Blue #3778BF ΔE 0.060
- Cornflower #6A79F7 ΔE 0.060
- Dark Periwinkle #665FD1 ΔE 0.062
- Cool Blue #4984B8 ΔE 0.064
- Dark Sky Blue #448EE4 ΔE 0.067
- Medium Slate Blue #7B68EE ΔE 0.067
- Medium Purple #9370DB ΔE 0.068
Use #6877CF 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.