#6183AF
Closest named color: Dusty Blue (#5A86AD). oklch(60.2% 0.078 255.2), rgb(97, 131, 175).
Aa
Black text reads best on this color (5.37:1).
About this color
#6183AF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 60%, its chroma 0.078 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.012 away. Black text reads best on it, at 5.37:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.37:1 |
| White text | 3.90:1 |
Values
| HEX | #6183AF |
| RGB | rgb(97, 131, 175) |
| HSL | hsl(214, 33%, 53%) |
| OKLCH | oklch(60.2% 0.078 255.2) |
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 #6183AF | 3.90:1 | AA large text | Lc -71.9 | Content text, not long reading |
| Black text on #6183AF | 5.37:1 | AA | Lc 37.6 | Non-text elements, placeholder text |
| #6183AF text on white | 3.90:1 | AA large text | Lc 66.4 | Content text, not long reading |
| #6183AF text on black | 5.37:1 | AA | Lc -35.2 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF1
oklch(93.5% 0.011 256.7)
-
Step 200
200
#D0DAE7
oklch(88.5% 0.021 254.9)
-
Step 300
300
#B1C2D9
oklch(80.8% 0.038 256)
-
Step 400
400
#87A3C7
oklch(70.7% 0.062 254.9)
-
Step 500
500 (this color)
#6183AF
oklch(60.2% 0.078 255.2)
-
Step 600
600
#5175A4
oklch(55.5% 0.084 255.5)
-
Step 700
700
#41628D
oklch(49% 0.08 255.5)
-
Step 800
800
#365072
oklch(42.6% 0.065 255.5)
-
Step 900
900
#2F435C
oklch(37.7% 0.05 254.4)
-
Step 950
950
#1C2736
oklch(27% 0.032 256.3)
#6183AF 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) | #7285B1 | 0.023 |
| Deuteranopia (no green cones) | #697DAE | 0.018 |
| Tritanopia (no blue cones) | #438D92 | 0.069 |
| Achromatopsia (no color) | #818181 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6183AF
#6183AF
oklch(60.2% 0.078 255.2)
- #9C7A4A
#9C7A4A
oklch(60.2% 0.078 75)
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 #6183AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.012
- Off Blue #5684AE ΔE 0.013
- Cool Blue #4984B8 ΔE 0.027
- Faded Blue #658CBB ΔE 0.029
- Steel Blue #4682B4 ΔE 0.029
- Stormy Blue #507B9C ΔE 0.041
- Silver Lake Blue #778DA9 ΔE 0.045
- Lavender Gray #7E7F9A ΔE 0.046
Use #6183AF 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.