#6487CC
Closest named color: Faded Blue (#658CBB). oklch(62.7% 0.112 263.1), rgb(100, 135, 204).
Aa
Black text reads best on this color (5.87:1).
About this color
#6487CC is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.112 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.033 away. Black text reads best on it, at 5.87:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 5.87:1 |
| White text | 3.57:1 |
Values
| HEX | #6487CC |
| RGB | rgb(100, 135, 204) |
| HSL | hsl(220, 50%, 60%) |
| OKLCH | oklch(62.7% 0.112 263.1) |
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 #6487CC | 3.57:1 | AA large text | Lc -68.7 | Content text, not long reading |
| Black text on #6487CC | 5.87:1 | AA | Lc 40.9 | Non-text elements, placeholder text |
| #6487CC text on white | 3.57:1 | AA large text | Lc 63.2 | Content text, not long reading |
| #6487CC 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200
#CFDAEE
oklch(88.6% 0.03 262.5)
-
Step 300
300
#AEC1E5
oklch(80.9% 0.055 263.2)
-
Step 400
400
#84A1D8
oklch(70.8% 0.087 262.8)
-
Step 500
500 (this color)
#6487CC
oklch(62.7% 0.112 263.1)
-
Step 600
600
#4D71BA
oklch(55.6% 0.121 263.2)
-
Step 700
700
#3E5EA1
oklch(49.1% 0.114 263.5)
-
Step 800
800
#334D82
oklch(42.6% 0.094 263.2)
-
Step 900
900
#2D4168
oklch(37.8% 0.072 262.8)
-
Step 950
950
#1A263D
oklch(27% 0.046 262.7)
#6487CC 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) | #6C8DCF | 0.020 |
| Deuteranopia (no green cones) | #6083CB | 0.012 |
| Tritanopia (no blue cones) | #3396A0 | 0.101 |
| Achromatopsia (no color) | #878787 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6487CC
#6487CC
oklch(62.7% 0.112 263.1)
- #A9812B
#A9812B
oklch(62.7% 0.112 82.7)
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 #6487CC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.033
- Cool Blue #4984B8 ΔE 0.044
- Dark Sky Blue #448EE4 ΔE 0.044
- Soft Blue #6488EA ΔE 0.045
- Off Blue #5684AE ΔE 0.050
- Dusty Blue #5A86AD ΔE 0.050
- Steel Blue #4682B4 ΔE 0.052
- Cornflower Blue #6495ED ΔE 0.056
Use #6487CC 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.