#6191CF
Closest named color: Faded Blue (#658CBB). oklch(64.9% 0.107 255.3), rgb(97, 145, 207).
Aa
Black text reads best on this color (6.45:1).
About this color
#6191CF is a medium-light, moderately saturated blue. In OKLCH its lightness is 65%, its chroma 0.107 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.030 away. Black text reads best on it, at 6.45:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.45:1 |
| White text | 3.25:1 |
Values
| HEX | #6191CF |
| RGB | rgb(97, 145, 207) |
| HSL | hsl(214, 53%, 60%) |
| OKLCH | oklch(64.9% 0.107 255.3) |
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 #6191CF | 3.25:1 | AA large text | Lc -65.1 | Content text, not long reading |
| Black text on #6191CF | 6.45:1 | AA | Lc 44.4 | Non-text elements, placeholder text |
| #6191CF text on white | 3.25:1 | AA large text | Lc 59.7 | Large or bold text, headings |
| #6191CF text on black | 6.45:1 | AA | Lc -42.0 | 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 500.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200
#CDDAED
oklch(88.4% 0.03 257.8)
-
Step 300
300
#ABC3E3
oklch(81% 0.052 255.7)
-
Step 400
400
#7DA3D4
oklch(70.6% 0.083 255.1)
-
Step 500
500 (this color)
#6191CF
oklch(64.9% 0.107 255.3)
-
Step 600
600
#4175B6
oklch(55.7% 0.116 255)
-
Step 700
700
#33629D
oklch(49.2% 0.108 255.2)
-
Step 800
800
#2B507F
oklch(42.7% 0.089 255.3)
-
Step 900
900
#274366
oklch(37.8% 0.069 254.8)
-
Step 950
950
#17273C
oklch(27% 0.045 255.6)
#6191CF 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) | #7894D2 | 0.029 |
| Deuteranopia (no green cones) | #6A8ACE | 0.020 |
| Tritanopia (no blue cones) | #239FA7 | 0.095 |
| Achromatopsia (no color) | #8F8F8F | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6191CF
#6191CF
oklch(64.9% 0.107 255.3)
- #B5853C
#B5853C
oklch(65% 0.107 75.2)
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 #6191CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.030
- Dark Sky Blue #448EE4 ΔE 0.043
- Cornflower Blue #6495ED ΔE 0.045
- Chefchaouen Blue #4895EF ΔE 0.050
- Soft Blue #6488EA ΔE 0.052
- Cool Blue #4984B8 ΔE 0.055
- Dusty Blue #5A86AD ΔE 0.056
- Off Blue #5684AE ΔE 0.059
Use #6191CF 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.