#738DCC
Closest named color: Faded Blue (#658CBB). oklch(64.9% 0.099 266.5), rgb(115, 141, 204).
Aa
Black text reads best on this color (6.41:1).
About this color
#738DCC is a medium-light, moderately saturated blue. In OKLCH its lightness is 65%, its chroma 0.099 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.032 away. Black text reads best on it, at 6.41:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.41:1 |
| White text | 3.27:1 |
Values
| HEX | #738DCC |
| RGB | rgb(115, 141, 204) |
| HSL | hsl(222, 47%, 63%) |
| OKLCH | oklch(64.9% 0.099 266.5) |
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 #738DCC | 3.27:1 | AA large text | Lc -65.5 | Content text, not long reading |
| Black text on #738DCC | 6.41:1 | AA | Lc 44.0 | Non-text elements, placeholder text |
| #738DCC text on white | 3.27:1 | AA large text | Lc 60.0 | Content text, not long reading |
| #738DCC text on black | 6.41:1 | AA | Lc -41.7 | 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
#E5EAF4
oklch(93.6% 0.015 264.5)
-
Step 200
200
#D1D9EC
oklch(88.5% 0.028 267.5)
-
Step 300
300
#B2C0E1
oklch(80.8% 0.049 267.1)
-
Step 400
400
#8AA0D2
oklch(70.7% 0.078 266)
-
Step 500
500 (this color)
#738DCC
oklch(64.9% 0.099 266.5)
-
Step 600
600
#5670B3
oklch(55.5% 0.109 266.8)
-
Step 700
700
#465E9A
oklch(49.1% 0.101 266.3)
-
Step 800
800
#3A4D7D
oklch(42.8% 0.084 266.6)
-
Step 900
900
#324064
oklch(37.7% 0.065 267.1)
-
Step 950
950
#1D263B
oklch(27.1% 0.041 266)
#738DCC 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) | #7692CF | 0.014 |
| Deuteranopia (no green cones) | #6E8ACB | 0.011 |
| Tritanopia (no blue cones) | #539AA3 | 0.090 |
| Achromatopsia (no color) | #8E8E8E | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #738DCC
#738DCC
oklch(64.9% 0.099 266.5)
- #A98B41
#A98B41
oklch(65% 0.1 87.3)
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 #738DCC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.032
- Cornflower Blue #6495ED ΔE 0.050
- Soft Blue #6488EA ΔE 0.053
- Silver Lake Blue #778DA9 ΔE 0.054
- Dark Sky Blue #448EE4 ΔE 0.057
- Perrywinkle #8F8CE7 ΔE 0.057
- Dusty Blue #5A86AD ΔE 0.059
- Off Blue #5684AE ΔE 0.062
Use #738DCC 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.