#6177AE
Closest named color: Off Blue (#5684AE). oklch(57.5% 0.089 267), rgb(97, 119, 174).
Aa
Black text reads best on this color (4.75:1).
About this color
#6177AE is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.089 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Off Blue (#5684AE), ΔE 0.038 away. Black text reads best on it, at 4.75:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Off Blue (#5684AE) |
| Black text | 4.75:1 |
| White text | 4.41:1 |
Values
| HEX | #6177AE |
| RGB | rgb(97, 119, 174) |
| HSL | hsl(223, 32%, 53%) |
| OKLCH | oklch(57.5% 0.089 267) |
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 #6177AE | 4.41:1 | AA large text | Lc -76.0 | Fine for body text |
| Black text on #6177AE | 4.75:1 | AA | Lc 33.5 | Non-text elements, placeholder text |
| #6177AE text on white | 4.41:1 | AA large text | Lc 70.5 | Content text, not long reading |
| #6177AE text on black | 4.75:1 | AA | Lc -31.1 | 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
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D2D9E8
oklch(88.4% 0.022 265.8)
-
Step 300
300
#B5C0DB
oklch(80.8% 0.04 267.9)
-
Step 400
400
#8FA0CA
oklch(70.8% 0.065 267.6)
-
Step 500
500
#7388BC
oklch(63.1% 0.082 267.1)
-
Step 600
600 (this color)
#6177AE
oklch(57.5% 0.089 267)
-
Step 700
700
#4B5F90
oklch(49.1% 0.083 266.5)
-
Step 800
800
#3E4E75
oklch(42.8% 0.068 266.5)
-
Step 900
900
#35415E
oklch(37.8% 0.052 266.7)
-
Step 950
950
#1F2637
oklch(27% 0.033 266.9)
#6177AE 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) | #637CB0 | 0.014 |
| Deuteranopia (no green cones) | #5C75AD | 0.009 |
| Tritanopia (no blue cones) | #45828B | 0.079 |
| Achromatopsia (no color) | #787878 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6177AE
#6177AE
oklch(57.5% 0.089 267)
- #907535
#907535
oklch(57.5% 0.089 86.4)
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 #6177AE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Blue #5684AE ΔE 0.038
- Steel Blue #4682B4 ΔE 0.038
- Stormy Blue #507B9C ΔE 0.040
- Cool Blue #4984B8 ΔE 0.041
- Dull Blue #49759C ΔE 0.042
- Dusty Blue #5A86AD ΔE 0.043
- Flat Blue #3C73A8 ΔE 0.046
- Cerulean #457B9D ΔE 0.046
Use #6177AE 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.