#738ACD
Closest named color: Faded Blue (#658CBB). oklch(64.3% 0.104 268.9), rgb(115, 138, 205).
Aa
Black text reads best on this color (6.24:1).
About this color
#738ACD is a medium-light, moderately saturated blue. In OKLCH its lightness is 64%, its chroma 0.104 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.035 away. Black text reads best on it, at 6.24:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.24:1 |
| White text | 3.36:1 |
Values
| HEX | #738ACD |
| RGB | rgb(115, 138, 205) |
| HSL | hsl(225, 47%, 63%) |
| OKLCH | oklch(64.3% 0.104 268.9) |
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 #738ACD | 3.36:1 | AA large text | Lc -66.5 | Content text, not long reading |
| Black text on #738ACD | 6.24:1 | AA | Lc 43.1 | Non-text elements, placeholder text |
| #738ACD text on white | 3.36:1 | AA large text | Lc 61.0 | Content text, not long reading |
| #738ACD text on black | 6.24:1 | AA | Lc -40.7 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E6EAF4
oklch(93.7% 0.014 268.5)
-
Step 200
200
#D1D9ED
oklch(88.5% 0.029 268.3)
-
Step 300
300
#B3C0E3
oklch(80.9% 0.052 269.2)
-
Step 400
400
#8C9FD4
oklch(70.8% 0.081 269)
-
Step 500
500 (this color)
#738ACD
oklch(64.3% 0.104 268.9)
-
Step 600
600
#586FB6
oklch(55.6% 0.114 268.9)
-
Step 700
700
#485D9C
oklch(49.2% 0.104 268.5)
-
Step 800
800
#3B4C7F
oklch(42.7% 0.088 268.6)
-
Step 900
900
#334066
oklch(37.9% 0.067 268.7)
-
Step 950
950
#1E253C
oklch(27% 0.044 270.3)
#738ACD 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) | #7290D0 | 0.016 |
| Deuteranopia (no green cones) | #6988CB | 0.014 |
| Tritanopia (no blue cones) | #5398A2 | 0.094 |
| Achromatopsia (no color) | #8C8C8C | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #738ACD
#738ACD
oklch(64.3% 0.104 268.9)
- #A78A3A
#A78A3A
oklch(64.5% 0.104 89.1)
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 #738ACD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.035
- Soft Blue #6488EA ΔE 0.048
- Cornflower Blue #6495ED ΔE 0.051
- Dark Sky Blue #448EE4 ΔE 0.055
- Perrywinkle #8F8CE7 ΔE 0.056
- Silver Lake Blue #778DA9 ΔE 0.058
- Dusty Blue #5A86AD ΔE 0.060
- Cool Blue #4984B8 ΔE 0.061
Use #738ACD 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.