#6179AA
Closest named color: Off Blue (#5684AE). oklch(57.7% 0.081 264), rgb(97, 121, 170).
Aa
Black text reads best on this color (4.82:1).
About this color
#6179AA is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.081 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Off Blue (#5684AE), ΔE 0.031 away. Black text reads best on it, at 4.82:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Off Blue (#5684AE) |
| Black text | 4.82:1 |
| White text | 4.35:1 |
Values
| HEX | #6179AA |
| RGB | rgb(97, 121, 170) |
| HSL | hsl(220, 30%, 52%) |
| OKLCH | oklch(57.7% 0.081 264) |
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 #6179AA | 4.35:1 | AA large text | Lc -75.6 | Fine for body text |
| Black text on #6179AA | 4.82:1 | AA | Lc 34.0 | Non-text elements, placeholder text |
| #6179AA text on white | 4.35:1 | AA large text | Lc 70.1 | Content text, not long reading |
| #6179AA text on black | 4.82:1 | AA | Lc -31.6 | 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
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D2D9E7
oklch(88.4% 0.021 264.5)
-
Step 300
300
#B5C1D9
oklch(80.9% 0.036 264.3)
-
Step 400
400
#8EA1C6
oklch(70.7% 0.058 263.6)
-
Step 500
500
#7289B7
oklch(63% 0.075 263.8)
-
Step 600
600 (this color)
#6179AA
oklch(57.7% 0.081 264)
-
Step 700
700
#4B608C
oklch(49.1% 0.076 264.3)
-
Step 800
800
#3D4E71
oklch(42.5% 0.062 264.1)
-
Step 900
900
#34415C
oklch(37.6% 0.05 264.3)
-
Step 950
950
#1F2636
oklch(26.9% 0.032 266.1)
#6179AA 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) | #687DAC | 0.015 |
| Deuteranopia (no green cones) | #6076A9 | 0.009 |
| Tritanopia (no blue cones) | #47838A | 0.073 |
| Achromatopsia (no color) | #797979 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6179AA
#6179AA
oklch(57.7% 0.081 264)
- #90753E
#90753E
oklch(57.6% 0.081 83.6)
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 #6179AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Blue #5684AE ΔE 0.031
- Stormy Blue #507B9C ΔE 0.033
- Steel Blue #4682B4 ΔE 0.035
- Dusty Blue #5A86AD ΔE 0.036
- Cool Blue #4984B8 ΔE 0.038
- Dull Blue #49759C ΔE 0.039
- Cerulean #457B9D ΔE 0.040
- Flat Blue #3C73A8 ΔE 0.047
Use #6179AA 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.