#6773A3
Closest named color: Stormy Blue (#507B9C). oklch(56.5% 0.076 273), rgb(103, 115, 163).
Aa
White text reads best on this color (4.60:1).
About this color
#6773A3 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 57%, its chroma 0.076 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.039 away. White text reads best on it, at 4.60:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.55:1 |
| White text | 4.60:1 |
Values
| HEX | #6773A3 |
| RGB | rgb(103, 115, 163) |
| HSL | hsl(228, 25%, 52%) |
| OKLCH | oklch(56.5% 0.076 273) |
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 #6773A3 | 4.60:1 | AA | Lc -77.4 | Fine for body text |
| Black text on #6773A3 | 4.55:1 | AA | Lc 32.1 | Non-text elements, placeholder text |
| #6773A3 text on white | 4.60:1 | AA | Lc 72.0 | Content text, not long reading |
| #6773A3 text on black | 4.55:1 | AA | Lc -29.7 | 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
#D5D9E6
oklch(88.6% 0.018 272.3)
-
Step 300
300
#B9C0D7
oklch(81% 0.033 272.2)
-
Step 400
400
#959FC3
oklch(70.7% 0.054 272.8)
-
Step 500
500
#7B87B4
oklch(63.1% 0.069 272.7)
-
Step 600
600 (this color)
#6773A3
oklch(56.5% 0.076 273)
-
Step 700
700
#535E89
oklch(49.1% 0.07 272.6)
-
Step 800
800
#444D6F
oklch(42.7% 0.058 272.4)
-
Step 900
900
#39405A
oklch(37.7% 0.046 272.4)
-
Step 950
950
#222635
oklch(27.2% 0.029 272.8)
#6773A3 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) | #6378A5 | 0.014 |
| Deuteranopia (no green cones) | #5F73A2 | 0.011 |
| Tritanopia (no blue cones) | #557C84 | 0.067 |
| Achromatopsia (no color) | #757575 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6773A3
#6773A3
oklch(56.5% 0.076 273)
- #85753F
#85753F
oklch(56.5% 0.076 93.3)
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 #6773A3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.039
- Dull Blue #49759C ΔE 0.040
- Cerulean #457B9D ΔE 0.047
- Metallic Blue #4F738E ΔE 0.048
- Off Blue #5684AE ΔE 0.048
- Flat Blue #3C73A8 ΔE 0.050
- Grey Blue #647D8E ΔE 0.050
- Grey Purple #826D8C ΔE 0.051
Use #6773A3 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.