#738BC3
Closest named color: Faded Blue (#658CBB). oklch(64.1% 0.089 266.1), rgb(115, 139, 195).
Aa
Black text reads best on this color (6.21:1).
About this color
#738BC3 is a medium-light, moderately saturated blue. In OKLCH its lightness is 64%, its chroma 0.089 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.022 away. Black text reads best on it, at 6.21:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.21:1 |
| White text | 3.38:1 |
Values
| HEX | #738BC3 |
| RGB | rgb(115, 139, 195) |
| HSL | hsl(222, 40%, 61%) |
| OKLCH | oklch(64.1% 0.089 266.1) |
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 #738BC3 | 3.38:1 | AA large text | Lc -66.7 | Content text, not long reading |
| Black text on #738BC3 | 6.21:1 | AA | Lc 42.8 | Non-text elements, placeholder text |
| #738BC3 text on white | 3.38:1 | AA large text | Lc 61.2 | Content text, not long reading |
| #738BC3 text on black | 6.21:1 | AA | Lc -40.5 | 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
#F3F5F9
oklch(97% 0.006 264.5)
-
Step 100
100
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D2D9EA
oklch(88.5% 0.025 267.9)
-
Step 300
300
#B3C1DE
oklch(81% 0.044 264.9)
-
Step 400
400
#8CA0CD
oklch(70.7% 0.07 266)
-
Step 500
500 (this color)
#738BC3
oklch(64.1% 0.089 266.1)
-
Step 600
600
#5971AC
oklch(55.6% 0.097 266.5)
-
Step 700
700
#495F94
oklch(49.2% 0.089 266.1)
-
Step 800
800
#3C4D78
oklch(42.6% 0.075 266.8)
-
Step 900
900
#334161
oklch(37.8% 0.058 265.6)
-
Step 950
950
#1E2639
oklch(27% 0.037 266.4)
#738BC3 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) | #778FC5 | 0.013 |
| Deuteranopia (no green cones) | #7088C2 | 0.009 |
| Tritanopia (no blue cones) | #58979F | 0.080 |
| Achromatopsia (no color) | #8C8C8C | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #738BC3
#738BC3
oklch(64.1% 0.089 266.1)
- #A48949
#A48949
oklch(64.1% 0.089 86.9)
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 #738BC3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.022
- Silver Lake Blue #778DA9 ΔE 0.042
- Dusty Blue #5A86AD ΔE 0.048
- Blue Grey #758DA3 ΔE 0.051
- Off Blue #5684AE ΔE 0.052
- Cool Blue #4984B8 ΔE 0.056
- Lavender Gray #7E7F9A ΔE 0.062
- Light Slate Gray #778899 ΔE 0.063
Use #738BC3 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.