#6488CD
Closest named color: Faded Blue (#658CBB). oklch(63% 0.112 262.6), rgb(100, 136, 205).
Aa
Black text reads best on this color (5.94:1).
About this color
#6488CD 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 0.032 away. Black text reads best on it, at 5.94:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 5.94:1 |
| White text | 3.53:1 |
Values
| HEX | #6488CD |
| RGB | rgb(100, 136, 205) |
| HSL | hsl(219, 51%, 60%) |
| OKLCH | oklch(63% 0.112 262.6) |
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 #6488CD | 3.53:1 | AA large text | Lc -68.3 | Content text, not long reading |
| Black text on #6488CD | 5.94:1 | AA | Lc 41.3 | Non-text elements, placeholder text |
| #6488CD text on white | 3.53:1 | AA large text | Lc 62.8 | Content text, not long reading |
| #6488CD text on black | 5.94:1 | AA | Lc -38.9 | 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
#83A1D8
oklch(70.7% 0.088 262.2)
-
Step 500
500 (this color)
#6488CD
oklch(63% 0.112 262.6)
-
Step 600
600
#4C71BA
oklch(55.6% 0.122 262.8)
-
Step 700
700
#3D5EA1
oklch(49% 0.114 263.1)
-
Step 800
800
#324D82
oklch(42.6% 0.094 262.7)
-
Step 900
900
#2C4168
oklch(37.7% 0.072 262)
-
Step 950
950
#1A263D
oklch(27% 0.046 262.7)
#6488CD 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) | #6D8ED0 | 0.021 |
| Deuteranopia (no green cones) | #6184CC | 0.012 |
| Tritanopia (no blue cones) | #3297A1 | 0.101 |
| Achromatopsia (no color) | #888888 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6488CD
#6488CD
oklch(63% 0.112 262.6)
- #AA822B
#AA822B
oklch(63% 0.113 83)
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 #6488CD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.032
- Dark Sky Blue #448EE4 ΔE 0.043
- Soft Blue #6488EA ΔE 0.044
- Cool Blue #4984B8 ΔE 0.046
- Dusty Blue #5A86AD ΔE 0.051
- Off Blue #5684AE ΔE 0.051
- Cornflower Blue #6495ED ΔE 0.054
- Steel Blue #4682B4 ΔE 0.054
Use #6488CD 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.