#6180BF
Closest named color: Cool Blue (#4984B8). oklch(60.3% 0.103 263.6), rgb(97, 128, 191).
Aa
Black text reads best on this color (5.34:1).
About this color
#6180BF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 60%, its chroma 0.103 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Blue (#4984B8), ΔE 0.030 away. Black text reads best on it, at 5.34:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Cool Blue (#4984B8) |
| Black text | 5.34:1 |
| White text | 3.92:1 |
Values
| HEX | #6180BF |
| RGB | rgb(97, 128, 191) |
| HSL | hsl(220, 42%, 56%) |
| OKLCH | oklch(60.3% 0.103 263.6) |
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 #6180BF | 3.92:1 | AA large text | Lc -72.1 | Content text, not long reading |
| Black text on #6180BF | 5.34:1 | AA | Lc 37.5 | Non-text elements, placeholder text |
| #6180BF text on white | 3.92:1 | AA large text | Lc 66.6 | Content text, not long reading |
| #6180BF text on black | 5.34:1 | AA | Lc -35.1 | 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 500.
-
Step 50
50
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF4
oklch(93.6% 0.015 264.5)
-
Step 200
200
#D0D9EC
oklch(88.4% 0.028 265.4)
-
Step 300
300
#B0C1E2
oklch(80.9% 0.05 263.7)
-
Step 400
400
#87A1D4
oklch(70.8% 0.081 263.5)
-
Step 500
500 (this color)
#6180BF
oklch(60.3% 0.103 263.6)
-
Step 600
600
#5171B5
oklch(55.6% 0.113 264)
-
Step 700
700
#415F9C
oklch(49.2% 0.104 263.3)
-
Step 800
800
#364D7E
oklch(42.6% 0.087 264)
-
Step 900
900
#2F4165
oklch(37.8% 0.066 263.3)
-
Step 950
950
#1C263B
oklch(27% 0.042 264.3)
#6180BF 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) | #6885C2 | 0.017 |
| Deuteranopia (no green cones) | #5E7DBE | 0.009 |
| Tritanopia (no blue cones) | #398E97 | 0.093 |
| Achromatopsia (no color) | #808080 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6180BF
#6180BF
oklch(60.3% 0.103 263.6)
- #9F7B2E
#9F7B2E
oklch(60.3% 0.103 83.2)
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 #6180BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Blue #4984B8 ΔE 0.030
- Off Blue #5684AE ΔE 0.034
- Steel Blue #4682B4 ΔE 0.035
- Faded Blue #658CBB ΔE 0.037
- Dusty Blue #5A86AD ΔE 0.037
- Windows Blue #3778BF ΔE 0.051
- Water Blue #0E87CC ΔE 0.058
- Stormy Blue #507B9C ΔE 0.059
Use #6180BF 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.