#6183CB
Closest named color: Faded Blue (#658CBB). oklch(61.6% 0.116 264.1), rgb(97, 131, 203).
Aa
Black text reads best on this color (5.61:1).
About this color
#6183CB is a medium-dark, moderately saturated blue. In OKLCH its lightness is 62%, its chroma 0.116 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.040 away. Black text reads best on it, at 5.61:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 5.61:1 |
| White text | 3.73:1 |
Values
| HEX | #6183CB |
| RGB | rgb(97, 131, 203) |
| HSL | hsl(221, 50%, 59%) |
| OKLCH | oklch(61.6% 0.116 264.1) |
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 #6183CB | 3.73:1 | AA large text | Lc -70.3 | Content text, not long reading |
| Black text on #6183CB | 5.61:1 | AA | Lc 39.3 | Non-text elements, placeholder text |
| #6183CB text on white | 3.73:1 | AA large text | Lc 64.8 | Content text, not long reading |
| #6183CB text on black | 5.61:1 | AA | Lc -36.9 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200
#CFD9EF
oklch(88.4% 0.032 266.1)
-
Step 300
300
#AEC1E6
oklch(80.9% 0.056 263.7)
-
Step 400
400
#84A0DA
oklch(70.7% 0.091 264.3)
-
Step 500
500 (this color)
#6183CB
oklch(61.6% 0.116 264.1)
-
Step 600
600
#4D70BD
oklch(55.6% 0.127 264.3)
-
Step 700
700
#3E5DA3
oklch(49% 0.118 264.5)
-
Step 800
800
#334D84
oklch(42.8% 0.097 263.7)
-
Step 900
900
#2D406A
oklch(37.7% 0.076 264.6)
-
Step 950
950
#1A263E
oklch(27% 0.048 263.3)
#6183CB 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) | #6789CE | 0.019 |
| Deuteranopia (no green cones) | #5A80C9 | 0.012 |
| Tritanopia (no blue cones) | #2D939D | 0.105 |
| Achromatopsia (no color) | #848484 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6183CB
#6183CB
oklch(61.6% 0.116 264.1)
- #A67E1F
#A67E1F
oklch(61.6% 0.116 83.9)
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 #6183CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.040
- Cool Blue #4984B8 ΔE 0.041
- Dark Sky Blue #448EE4 ΔE 0.047
- Soft Blue #6488EA ΔE 0.047
- Steel Blue #4682B4 ΔE 0.048
- Off Blue #5684AE ΔE 0.049
- Dusty Blue #5A86AD ΔE 0.051
- Water Blue #0E87CC ΔE 0.056
Use #6183CB 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.