#6487B4
Closest named color: Faded Blue (#658CBB). oklch(61.5% 0.079 255), rgb(100, 135, 180).
Aa
Black text reads best on this color (5.66:1).
About this color
#6487B4 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 62%, its chroma 0.079 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.016 away. Black text reads best on it, at 5.66:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 5.66:1 |
| White text | 3.70:1 |
Values
| HEX | #6487B4 |
| RGB | rgb(100, 135, 180) |
| HSL | hsl(214, 35%, 55%) |
| OKLCH | oklch(61.5% 0.079 255) |
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 #6487B4 | 3.70:1 | AA large text | Lc -70.1 | Content text, not long reading |
| Black text on #6487B4 | 5.66:1 | AA | Lc 39.5 | Non-text elements, placeholder text |
| #6487B4 text on white | 3.70:1 | AA large text | Lc 64.6 | Content text, not long reading |
| #6487B4 text on black | 5.66:1 | AA | Lc -37.1 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF1
oklch(93.5% 0.011 256.7)
-
Step 200
200
#D0DAE8
oklch(88.5% 0.022 256.7)
-
Step 300
300
#B0C2DA
oklch(80.8% 0.039 255.6)
-
Step 400
400
#87A3C7
oklch(70.7% 0.062 254.9)
-
Step 500
500 (this color)
#6487B4
oklch(61.5% 0.079 255)
-
Step 600
600
#5075A5
oklch(55.5% 0.086 255.3)
-
Step 700
700
#40628E
oklch(49% 0.081 255.3)
-
Step 800
800
#355073
oklch(42.6% 0.067 255.3)
-
Step 900
900
#2F435D
oklch(37.8% 0.052 255.3)
-
Step 950
950
#1B2736
oklch(26.9% 0.033 254.4)
#6487B4 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) | #7689B6 | 0.024 |
| Deuteranopia (no green cones) | #6C81B3 | 0.018 |
| Tritanopia (no blue cones) | #459196 | 0.070 |
| Achromatopsia (no color) | #858585 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6487B4
#6487B4
oklch(61.5% 0.079 255)
- #A17E4C
#A17E4C
oklch(61.6% 0.08 75.2)
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 #6487B4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.016
- Dusty Blue #5A86AD ΔE 0.017
- Off Blue #5684AE ΔE 0.021
- Cool Blue #4984B8 ΔE 0.032
- Silver Lake Blue #778DA9 ΔE 0.037
- Steel Blue #4682B4 ΔE 0.037
- Blue Grey #758DA3 ΔE 0.041
- Light Slate Gray #778899 ΔE 0.047
Use #6487B4 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.