#728FB1
Closest named color: Silver Lake Blue (#778DA9). oklch(64.1% 0.061 252.7), rgb(114, 143, 177).
Aa
Black text reads best on this color (6.27:1).
About this color
#728FB1 is a medium-light, muted blue. In OKLCH its lightness is 64%, its chroma 0.061 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.013 away. Black text reads best on it, at 6.27:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.27:1 |
| White text | 3.34:1 |
Values
| HEX | #728FB1 |
| RGB | rgb(114, 143, 177) |
| HSL | hsl(212, 29%, 57%) |
| OKLCH | oklch(64.1% 0.061 252.7) |
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 #728FB1 | 3.34:1 | AA large text | Lc -66.3 | Content text, not long reading |
| Black text on #728FB1 | 6.27:1 | AA | Lc 43.2 | Non-text elements, placeholder text |
| #728FB1 text on white | 3.34:1 | AA large text | Lc 60.8 | Content text, not long reading |
| #728FB1 text on black | 6.27:1 | AA | Lc -40.9 | 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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D2DAE4
oklch(88.5% 0.016 253.9)
-
Step 300
300
#B3C2D4
oklch(80.8% 0.03 253)
-
Step 400
400
#8CA3BE
oklch(70.7% 0.047 252.6)
-
Step 500
500 (this color)
#728FB1
oklch(64.1% 0.061 252.7)
-
Step 600
600
#57769A
oklch(55.7% 0.067 252.7)
-
Step 700
700
#476383
oklch(49.1% 0.061 252.3)
-
Step 800
800
#3B516B
oklch(42.8% 0.051 253.1)
-
Step 900
900
#324356
oklch(37.7% 0.039 251.6)
-
Step 950
950
#1E2733
oklch(27% 0.026 255.7)
#728FB1 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) | #8290B3 | 0.022 |
| Deuteranopia (no green cones) | #7B8AB0 | 0.017 |
| Tritanopia (no blue cones) | #5E979A | 0.054 |
| Achromatopsia (no color) | #8C8C8C | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #728FB1
#728FB1
oklch(64.1% 0.061 252.7)
- #A38763
#A38763
oklch(64% 0.061 73.4)
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 #728FB1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.013
- Blue Grey #758DA3 ΔE 0.020
- Faded Blue #658CBB ΔE 0.025
- Light Slate Gray #778899 ΔE 0.036
- Dusty Blue #5A86AD ΔE 0.041
- Steel #738595 ΔE 0.044
- Off Blue #5684AE ΔE 0.048
- Lavender Gray #7E7F9A ΔE 0.049
Use #728FB1 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.