#818FC2
Closest named color: Faded Blue (#658CBB). oklch(65.8% 0.078 272.3), rgb(129, 143, 194).
Aa
Black text reads best on this color (6.64:1).
About this color
#818FC2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.078 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.039 away. Black text reads best on it, at 6.64:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.64:1 |
| White text | 3.16:1 |
Values
| HEX | #818FC2 |
| RGB | rgb(129, 143, 194) |
| HSL | hsl(227, 35%, 63%) |
| OKLCH | oklch(65.8% 0.078 272.3) |
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 #818FC2 | 3.16:1 | AA large text | Lc -64.1 | Content text, not long reading |
| Black text on #818FC2 | 6.64:1 | AA | Lc 45.3 | Large or bold text, headings |
| #818FC2 text on white | 3.16:1 | AA large text | Lc 58.7 | Large or bold text, headings |
| #818FC2 text on black | 6.64:1 | AA | Lc -43.0 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7EAF1
oklch(93.7% 0.01 267.4)
-
Step 200
200
#D4D9E8
oklch(88.6% 0.021 271.2)
-
Step 300
300
#B8C0DA
oklch(81% 0.038 272)
-
Step 400
400
#939FC7
oklch(70.7% 0.06 271.8)
-
Step 500
500 (this color)
#818FC2
oklch(65.8% 0.078 272.3)
-
Step 600
600
#6270A5
oklch(55.6% 0.084 272.1)
-
Step 700
700
#515E8E
oklch(49.2% 0.079 271.7)
-
Step 800
800
#434D73
oklch(42.9% 0.065 272.2)
-
Step 900
900
#38405D
oklch(37.7% 0.051 271.9)
-
Step 950
950
#212536
oklch(26.9% 0.032 273.8)
#818FC2 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) | #7F94C4 | 0.013 |
| Deuteranopia (no green cones) | #7A8EC1 | 0.010 |
| Tritanopia (no blue cones) | #6F99A1 | 0.069 |
| Achromatopsia (no color) | #919191 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #818FC2
#818FC2
oklch(65.8% 0.078 272.3)
- #A39159
#A39159
oklch(66% 0.078 92.2)
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 #818FC2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.039
- Silver Lake Blue #778DA9 ΔE 0.041
- Cool Gray #8D99AE ΔE 0.050
- Blue Grey #758DA3 ΔE 0.051
- Heather #A484AC ΔE 0.059
- Greyblue #77A1B5 ΔE 0.060
- Perrywinkle #8F8CE7 ΔE 0.062
- Bluey Grey #89A0B0 ΔE 0.063
Use #818FC2 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.