#6471A2
Closest named color: Dull Blue (#49759C). oklch(55.8% 0.078 272.3), rgb(100, 113, 162).
Aa
White text reads best on this color (4.74:1).
About this color
#6471A2 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 56%, its chroma 0.078 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.036 away. White text reads best on it, at 4.74:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.42:1 |
| White text | 4.74:1 |
Values
| HEX | #6471A2 |
| RGB | rgb(100, 113, 162) |
| HSL | hsl(227, 25%, 51%) |
| OKLCH | oklch(55.8% 0.078 272.3) |
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 #6471A2 | 4.74:1 | AA | Lc -78.3 | Fine for body text |
| Black text on #6471A2 | 4.42:1 | AA large text | Lc 31.2 | Non-text elements, placeholder text |
| #6471A2 text on white | 4.74:1 | AA | Lc 72.9 | Content text, not long reading |
| #6471A2 text on black | 4.42:1 | AA large text | Lc -28.8 | Dividers and decoration only |
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 600.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7EAF1
oklch(93.7% 0.01 267.4)
-
Step 200
200
#D4D9E6
oklch(88.5% 0.019 269.1)
-
Step 300
300
#B8C0D8
oklch(80.9% 0.035 271)
-
Step 400
400
#949FC4
oklch(70.7% 0.056 272)
-
Step 500
500
#7A87B5
oklch(63.1% 0.071 272)
-
Step 600
600 (this color)
#6471A2
oklch(55.8% 0.078 272.3)
-
Step 700
700
#525E8A
oklch(49.1% 0.072 271.9)
-
Step 800
800
#434D70
oklch(42.7% 0.06 271.5)
-
Step 900
900
#39405B
oklch(37.7% 0.047 272.8)
-
Step 950
950
#212635
oklch(27.1% 0.029 270.1)
#6471A2 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) | #6176A4 | 0.014 |
| Deuteranopia (no green cones) | #5C71A1 | 0.011 |
| Tritanopia (no blue cones) | #517B82 | 0.071 |
| Achromatopsia (no color) | #737373 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6471A2
#6471A2
oklch(55.8% 0.078 272.3)
- #84733B
#84733B
oklch(55.9% 0.078 92.8)
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 #6471A2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.036
- Stormy Blue #507B9C ΔE 0.039
- Metallic Blue #4F738E ΔE 0.045
- Flat Blue #3C73A8 ΔE 0.045
- Cerulean #457B9D ΔE 0.046
- Muted Blue #3B719F ΔE 0.048
- French Blue #436BAD ΔE 0.050
- Off Blue #5684AE ΔE 0.053
Use #6471A2 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.