#6481BE
Closest named color: Cool Blue (#4984B8). oklch(60.7% 0.099 264.2), rgb(100, 129, 190).
Aa
Black text reads best on this color (5.42:1).
About this color
#6481BE is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.099 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Blue (#4984B8), ΔE 0.032 away. Black text reads best on it, at 5.42:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Cool Blue (#4984B8) |
| Black text | 5.42:1 |
| White text | 3.87:1 |
Values
| HEX | #6481BE |
| RGB | rgb(100, 129, 190) |
| HSL | hsl(221, 41%, 57%) |
| OKLCH | oklch(60.7% 0.099 264.2) |
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 #6481BE | 3.87:1 | AA large text | Lc -71.6 | Content text, not long reading |
| Black text on #6481BE | 5.42:1 | AA | Lc 38.0 | Non-text elements, placeholder text |
| #6481BE text on white | 3.87:1 | AA large text | Lc 66.1 | Content text, not long reading |
| #6481BE text on black | 5.42:1 | AA | Lc -35.6 | 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
#B1C1E1
oklch(80.9% 0.049 264.3)
-
Step 400
400
#88A0D2
oklch(70.6% 0.078 264.6)
-
Step 500
500 (this color)
#6481BE
oklch(60.7% 0.099 264.2)
-
Step 600
600
#5371B2
oklch(55.5% 0.107 264.4)
-
Step 700
700
#435F9A
oklch(49.2% 0.101 263.9)
-
Step 800
800
#384D7C
oklch(42.6% 0.083 264.9)
-
Step 900
900
#304164
oklch(37.8% 0.064 263.8)
-
Step 950
950
#1C263B
oklch(27% 0.042 264.3)
#6481BE 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) | #6A86C1 | 0.017 |
| Deuteranopia (no green cones) | #617EBD | 0.009 |
| Tritanopia (no blue cones) | #408E97 | 0.089 |
| Achromatopsia (no color) | #818181 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6481BE
#6481BE
oklch(60.7% 0.099 264.2)
- #9E7D34
#9E7D34
oklch(60.7% 0.099 84.5)
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 #6481BE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Blue #4984B8 ΔE 0.032
- Faded Blue #658CBB ΔE 0.033
- Off Blue #5684AE ΔE 0.033
- Dusty Blue #5A86AD ΔE 0.035
- Steel Blue #4682B4 ΔE 0.037
- Windows Blue #3778BF ΔE 0.056
- Silver Lake Blue #778DA9 ΔE 0.059
- Stormy Blue #507B9C ΔE 0.060
Use #6481BE 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.