#6977B3
Closest named color: Off Blue (#5684AE). oklch(58.3% 0.094 273.2), rgb(105, 119, 179).
Aa
Black text reads best on this color (4.89:1).
About this color
#6977B3 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.094 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Off Blue (#5684AE), ΔE 0.044 away. Black text reads best on it, at 4.89:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Off Blue (#5684AE) |
| Black text | 4.89:1 |
| White text | 4.29:1 |
Values
| HEX | #6977B3 |
| RGB | rgb(105, 119, 179) |
| HSL | hsl(229, 33%, 56%) |
| OKLCH | oklch(58.3% 0.094 273.2) |
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 #6977B3 | 4.29:1 | AA large text | Lc -75.1 | Fine for body text |
| Black text on #6977B3 | 4.89:1 | AA | Lc 34.4 | Non-text elements, placeholder text |
| #6977B3 text on white | 4.29:1 | AA large text | Lc 69.6 | Content text, not long reading |
| #6977B3 text on black | 4.89:1 | AA | Lc -32.0 | 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
#E7E9F2
oklch(93.5% 0.012 276.1)
-
Step 200
200
#D4D8E9
oklch(88.4% 0.024 275.3)
-
Step 300
300
#B7BFDD
oklch(80.8% 0.043 273.6)
-
Step 400
400
#929ECB
oklch(70.6% 0.067 273)
-
Step 500
500
#7886BE
oklch(63.1% 0.086 272.9)
-
Step 600
600 (this color)
#6977B3
oklch(58.3% 0.094 273.2)
-
Step 700
700
#515D92
oklch(49.2% 0.086 273.2)
-
Step 800
800
#424C77
oklch(42.8% 0.073 273)
-
Step 900
900
#383F60
oklch(37.7% 0.057 274.2)
-
Step 950
950
#212538
oklch(27% 0.036 274.6)
#6977B3 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) | #627DB5 | 0.017 |
| Deuteranopia (no green cones) | #5C77B2 | 0.017 |
| Tritanopia (no blue cones) | #51838D | 0.083 |
| Achromatopsia (no color) | #7A7A7A | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6977B3
#6977B3
oklch(58.3% 0.094 273.2)
- #8E7A33
#8E7A33
oklch(58.4% 0.094 93.5)
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 #6977B3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Blue #5684AE ΔE 0.044
- Steel Blue #4682B4 ΔE 0.046
- Cool Blue #4984B8 ΔE 0.046
- Dusty Blue #5A86AD ΔE 0.048
- Stormy Blue #507B9C ΔE 0.052
- Windows Blue #3778BF ΔE 0.055
- Dull Blue #49759C ΔE 0.056
- Faded Blue #658CBB ΔE 0.057
Use #6977B3 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.