#738FCB
Closest named color: Faded Blue (#658CBB). oklch(65.3% 0.096 264.7), rgb(115, 143, 203).
Aa
Black text reads best on this color (6.52:1).
About this color
#738FCB is a medium-light, moderately saturated blue. In OKLCH its lightness is 65%, its chroma 0.096 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.031 away. Black text reads best on it, at 6.52:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.52:1 |
| White text | 3.22:1 |
Values
| HEX | #738FCB |
| RGB | rgb(115, 143, 203) |
| HSL | hsl(221, 46%, 62%) |
| OKLCH | oklch(65.3% 0.096 264.7) |
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 #738FCB | 3.22:1 | AA large text | Lc -64.8 | Content text, not long reading |
| Black text on #738FCB | 6.52:1 | AA | Lc 44.7 | Non-text elements, placeholder text |
| #738FCB text on white | 3.22:1 | AA large text | Lc 59.4 | Large or bold text, headings |
| #738FCB text on black | 6.52:1 | AA | Lc -42.3 | 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
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#D1D9EB
oklch(88.5% 0.026 266.6)
-
Step 300
300
#B2C1E0
oklch(81% 0.047 264.9)
-
Step 400
400
#8AA0D0
oklch(70.7% 0.075 265.4)
-
Step 500
500 (this color)
#738FCB
oklch(65.3% 0.096 264.7)
-
Step 600
600
#5571B0
oklch(55.5% 0.104 265)
-
Step 700
700
#455F98
oklch(49.2% 0.097 264.5)
-
Step 800
800
#394E7B
oklch(42.8% 0.08 264.3)
-
Step 900
900
#314163
oklch(37.8% 0.062 264.4)
-
Step 950
950
#1D263A
oklch(27% 0.04 265.3)
#738FCB 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) | #7994CE | 0.016 |
| Deuteranopia (no green cones) | #708CCA | 0.009 |
| Tritanopia (no blue cones) | #539CA4 | 0.087 |
| Achromatopsia (no color) | #8F8F8F | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #738FCB
#738FCB
oklch(65.3% 0.096 264.7)
- #AB8B46
#AB8B46
oklch(65.2% 0.096 84.7)
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 #738FCB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.031
- Silver Lake Blue #778DA9 ΔE 0.051
- Cornflower Blue #6495ED ΔE 0.051
- Soft Blue #6488EA ΔE 0.057
- Dark Sky Blue #448EE4 ΔE 0.059
- Dusty Blue #5A86AD ΔE 0.059
- Perrywinkle #8F8CE7 ΔE 0.059
- Blue Grey #758DA3 ΔE 0.060
Use #738FCB 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.