#6164BE
Closest named color: Iris (#6258C4). oklch(54.5% 0.138 279.3), rgb(97, 100, 190).
Aa
White text reads best on this color (5.15:1).
About this color
#6164BE is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.138 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.032 away. White text reads best on it, at 5.15:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.138) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 4.07:1 |
| White text | 5.15:1 |
Values
| HEX | #6164BE |
| RGB | rgb(97, 100, 190) |
| HSL | hsl(238, 42%, 56%) |
| OKLCH | oklch(54.5% 0.138 279.3) |
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 #6164BE | 5.15:1 | AA | Lc -80.7 | Fine for body text |
| Black text on #6164BE | 4.07:1 | AA large text | Lc 28.7 | Dividers and decoration only |
| #6164BE text on white | 5.15:1 | AA | Lc 75.3 | Fine for body text |
| #6164BE text on black | 4.07:1 | AA large text | Lc -26.4 | Dividers and decoration only |
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 600.
-
Step 50
50
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F6
oklch(93.6% 0.018 279.1)
-
Step 200
200
#D4D7F0
oklch(88.5% 0.034 280.2)
-
Step 300
300
#B8BDE9
oklch(80.9% 0.062 279.8)
-
Step 400
400
#939ADE
oklch(70.7% 0.1 279)
-
Step 500
500
#7A80D4
oklch(63.2% 0.126 279.1)
-
Step 600
600 (this color)
#6164BE
oklch(54.5% 0.138 279.3)
-
Step 700
700
#5356A7
oklch(49.2% 0.127 279)
-
Step 800
800
#444687
oklch(42.6% 0.106 279.6)
-
Step 900
900
#393C6C
oklch(37.8% 0.081 279)
-
Step 950
950
#21233F
oklch(26.9% 0.052 279.2)
#6164BE 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) | #3D71C1 | 0.050 |
| Deuteranopia (no green cones) | #356ABC | 0.051 |
| Tritanopia (no blue cones) | #3E7788 | 0.119 |
| Achromatopsia (no color) | #6D6D6D | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6164BE
#6164BE
oklch(54.5% 0.138 279.3)
- #807000
#807000
oklch(54.4% 0.113 99.3)
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 #6164BE, closest first.
No curated palette has a color within ΔE 0.04 of #6164BE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.032
- Dark Periwinkle #665FD1 ΔE 0.034
- Slate Blue #6A5ACD ΔE 0.037
- Light Indigo #6D5ACF ΔE 0.041
- French Blue #436BAD ΔE 0.051
- Royal Blue #4169E1 ΔE 0.064
- Windows Blue #3778BF ΔE 0.065
- Mid Blue #276AB3 ΔE 0.066
Use #6164BE 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.