#6475B2
Closest named color: Steel Blue (#4682B4). oklch(57.5% 0.096 271.3), rgb(100, 117, 178).
Aa
Black text reads best on this color (4.72:1).
About this color
#6475B2 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 57%, its chroma 0.096 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Blue (#4682B4), ΔE 0.045 away. Black text reads best on it, at 4.72:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Steel Blue (#4682B4) |
| Black text | 4.72:1 |
| White text | 4.44:1 |
Values
| HEX | #6475B2 |
| RGB | rgb(100, 117, 178) |
| HSL | hsl(227, 34%, 55%) |
| OKLCH | oklch(57.5% 0.096 271.3) |
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 #6475B2 | 4.44:1 | AA large text | Lc -76.2 | Fine for body text |
| Black text on #6475B2 | 4.72:1 | AA | Lc 33.3 | Non-text elements, placeholder text |
| #6475B2 text on white | 4.44:1 | AA large text | Lc 70.7 | Content text, not long reading |
| #6475B2 text on black | 4.72:1 | AA | Lc -30.9 | 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 600.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7EAF3
oklch(93.7% 0.013 271.3)
-
Step 200
200
#D3D9EA
oklch(88.6% 0.024 270.3)
-
Step 300
300
#B6C0DD
oklch(80.9% 0.042 270.4)
-
Step 400
400
#919FCD
oklch(70.8% 0.069 271.4)
-
Step 500
500
#7686C0
oklch(63.1% 0.09 271.8)
-
Step 600
600 (this color)
#6475B2
oklch(57.5% 0.096 271.3)
-
Step 700
700
#4E5D94
oklch(49.1% 0.09 271.2)
-
Step 800
800
#404C78
oklch(42.7% 0.075 271.4)
-
Step 900
900
#364061
oklch(37.8% 0.058 270.6)
-
Step 950
950
#202539
oklch(26.9% 0.038 272.9)
#6475B2 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) | #5F7BB5 | 0.017 |
| Deuteranopia (no green cones) | #5875B1 | 0.015 |
| Tritanopia (no blue cones) | #49818B | 0.086 |
| Achromatopsia (no color) | #787878 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6475B2
#6475B2
oklch(57.5% 0.096 271.3)
- #8E762D
#8E762D
oklch(57.4% 0.096 90.7)
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 #6475B2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Blue #4682B4 ΔE 0.045
- Off Blue #5684AE ΔE 0.046
- Cool Blue #4984B8 ΔE 0.047
- Windows Blue #3778BF ΔE 0.049
- Stormy Blue #507B9C ΔE 0.050
- Dull Blue #49759C ΔE 0.050
- Flat Blue #3C73A8 ΔE 0.050
- Dusty Blue #5A86AD ΔE 0.051
Use #6475B2 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.