#6477B7
Closest named color: Steel Blue (#4682B4). oklch(58.2% 0.101 270.5), rgb(100, 119, 183).
Aa
Black text reads best on this color (4.86:1).
About this color
#6477B7 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.101 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Blue (#4682B4), ΔE 0.043 away. Black text reads best on it, at 4.86:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Steel Blue (#4682B4) |
| Black text | 4.86:1 |
| White text | 4.31:1 |
Values
| HEX | #6477B7 |
| RGB | rgb(100, 119, 183) |
| HSL | hsl(226, 37%, 55%) |
| OKLCH | oklch(58.2% 0.101 270.5) |
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 #6477B7 | 4.31:1 | AA large text | Lc -75.3 | Fine for body text |
| Black text on #6477B7 | 4.86:1 | AA | Lc 34.3 | Non-text elements, placeholder text |
| #6477B7 text on white | 4.31:1 | AA large text | Lc 69.8 | Content text, not long reading |
| #6477B7 text on black | 4.86:1 | AA | Lc -31.9 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D2D9EA
oklch(88.5% 0.025 267.9)
-
Step 300
300
#B5C0DF
oklch(80.9% 0.045 269.9)
-
Step 400
400
#8F9FCF
oklch(70.8% 0.073 270.2)
-
Step 500
500
#7486C2
oklch(63% 0.093 270.8)
-
Step 600
600 (this color)
#6477B7
oklch(58.2% 0.101 270.5)
-
Step 700
700
#4C5D96
oklch(49.1% 0.094 270.1)
-
Step 800
800
#3F4C7A
oklch(42.7% 0.078 270.8)
-
Step 900
900
#354062
oklch(37.8% 0.06 269.7)
-
Step 950
950
#1F2539
oklch(26.9% 0.038 270.9)
#6477B7 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) | #607DBA | 0.016 |
| Deuteranopia (no green cones) | #5876B6 | 0.016 |
| Tritanopia (no blue cones) | #46848E | 0.091 |
| Achromatopsia (no color) | #7A7A7A | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6477B7
#6477B7
oklch(58.2% 0.101 270.5)
- #927829
#927829
oklch(58.2% 0.101 90.3)
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 #6477B7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Blue #4682B4 ΔE 0.043
- Cool Blue #4984B8 ΔE 0.043
- Off Blue #5684AE ΔE 0.044
- Windows Blue #3778BF ΔE 0.048
- Dusty Blue #5A86AD ΔE 0.049
- Stormy Blue #507B9C ΔE 0.054
- Flat Blue #3C73A8 ΔE 0.054
- Dull Blue #49759C ΔE 0.056
Use #6477B7 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.