#818FA2
Closest named color: Blue Grey (#758DA3). oklch(64.5% 0.033 256.1), rgb(129, 143, 162).
Aa
Black text reads best on this color (6.38:1).
About this color
#818FA2 is a medium-light, muted blue. In OKLCH its lightness is 65%, its chroma 0.033 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Grey (#758DA3), ΔE 0.018 away. Black text reads best on it, at 6.38:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Blue Grey (#758DA3) |
| Black text | 6.38:1 |
| White text | 3.28:1 |
Values
| HEX | #818FA2 |
| RGB | rgb(129, 143, 162) |
| HSL | hsl(215, 15%, 57%) |
| OKLCH | oklch(64.5% 0.033 256.1) |
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 #818FA2 | 3.28:1 | AA large text | Lc -65.7 | Content text, not long reading |
| Black text on #818FA2 | 6.38:1 | AA | Lc 43.8 | Non-text elements, placeholder text |
| #818FA2 text on white | 3.28:1 | AA large text | Lc 60.3 | Content text, not long reading |
| #818FA2 text on black | 6.38:1 | AA | Lc -41.4 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E8EAED
oklch(93.6% 0.005 258.3)
-
Step 200
200
#D5D9DF
oklch(88.4% 0.009 258.3)
-
Step 300
300
#BAC1CB
oklch(80.8% 0.016 257.2)
-
Step 400
400
#96A2B1
oklch(70.8% 0.026 254)
-
Step 500
500 (this color)
#818FA2
oklch(64.5% 0.033 256.1)
-
Step 600
600
#667588
oklch(55.7% 0.035 254.4)
-
Step 700
700
#556274
oklch(49.2% 0.033 256.6)
-
Step 800
800
#45505E
oklch(42.7% 0.027 254.6)
-
Step 900
900
#3A424D
oklch(37.6% 0.022 256.4)
-
Step 950
950
#22272D
oklch(27% 0.013 253)
#818FA2 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) | #8990A3 | 0.012 |
| Deuteranopia (no green cones) | #858CA2 | 0.010 |
| Tritanopia (no blue cones) | #799395 | 0.028 |
| Achromatopsia (no color) | #8E8E8E | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #818FA2
#818FA2
oklch(64.5% 0.033 256.1)
- #9A8B78
#9A8B78
oklch(64.5% 0.033 73.7)
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 #818FA2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Grey #758DA3 ΔE 0.018
- Silver Lake Blue #778DA9 ΔE 0.019
- Light Slate Gray #778899 ΔE 0.027
- Cool Gray #8D99AE ΔE 0.035
- Steel #738595 ΔE 0.038
- Lavender Gray #7E7F9A ΔE 0.044
- Bluey Grey #89A0B0 ΔE 0.049
- Warm Grey #978A84 ΔE 0.049
Use #818FA2 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.