#6387CD
Closest named color: Faded Blue (#658CBB). oklch(62.7% 0.114 262.8), rgb(99, 135, 205).
Aa
Black text reads best on this color (5.87:1).
About this color
#6387CD is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.114 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.034 away. Black text reads best on it, at 5.87:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 5.87:1 |
| White text | 3.57:1 |
Values
| HEX | #6387CD |
| RGB | rgb(99, 135, 205) |
| HSL | hsl(220, 51%, 60%) |
| OKLCH | oklch(62.7% 0.114 262.8) |
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 #6387CD | 3.57:1 | AA large text | Lc -68.7 | Content text, not long reading |
| Black text on #6387CD | 5.87:1 | AA | Lc 40.9 | Non-text elements, placeholder text |
| #6387CD text on white | 3.57:1 | AA large text | Lc 63.2 | Content text, not long reading |
| #6387CD text on black | 5.87:1 | 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
#F3F6FB
oklch(97.2% 0.007 260.7)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200
#CEDAEE
oklch(88.5% 0.03 260.7)
-
Step 300
300
#AEC1E5
oklch(80.9% 0.055 263.2)
-
Step 400
400
#83A1D9
oklch(70.8% 0.089 262.5)
-
Step 500
500 (this color)
#6387CD
oklch(62.7% 0.114 262.8)
-
Step 600
600
#4B71BB
oklch(55.6% 0.123 262.5)
-
Step 700
700
#3D5EA1
oklch(49% 0.114 263.1)
-
Step 800
800
#324D83
oklch(42.7% 0.096 262.9)
-
Step 900
900
#2C4169
oklch(37.8% 0.074 262.4)
-
Step 950
950
#1A263D
oklch(27% 0.046 262.7)
#6387CD 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) | #6C8DD0 | 0.021 |
| Deuteranopia (no green cones) | #5F83CB | 0.012 |
| Tritanopia (no blue cones) | #2F96A0 | 0.102 |
| Achromatopsia (no color) | #878787 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6387CD
#6387CD
oklch(62.7% 0.114 262.8)
- #AA8128
#AA8128
oklch(62.8% 0.114 82.6)
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 #6387CD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.034
- Dark Sky Blue #448EE4 ΔE 0.043
- Soft Blue #6488EA ΔE 0.044
- Cool Blue #4984B8 ΔE 0.045
- Off Blue #5684AE ΔE 0.051
- Dusty Blue #5A86AD ΔE 0.051
- Steel Blue #4682B4 ΔE 0.052
- Cornflower Blue #6495ED ΔE 0.055
Use #6387CD 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.