#738FA8
Closest named color: Silver Lake Blue (#778DA9). oklch(63.8% 0.049 245.6), rgb(115, 143, 168).
Aa
Black text reads best on this color (6.22:1).
About this color
#738FA8 is a medium-light, muted blue. In OKLCH its lightness is 64%, its chroma 0.049 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.008 away. Black text reads best on it, at 6.22:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.22:1 |
| White text | 3.37:1 |
Values
| HEX | #738FA8 |
| RGB | rgb(115, 143, 168) |
| HSL | hsl(208, 23%, 55%) |
| OKLCH | oklch(63.8% 0.049 245.6) |
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 #738FA8 | 3.37:1 | AA large text | Lc -66.7 | Content text, not long reading |
| Black text on #738FA8 | 6.22:1 | AA | Lc 42.9 | Non-text elements, placeholder text |
| #738FA8 text on white | 3.37:1 | AA large text | Lc 61.2 | Content text, not long reading |
| #738FA8 text on black | 6.22:1 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E6EAEE
oklch(93.5% 0.007 247.9)
-
Step 200
200
#D2DAE2
oklch(88.5% 0.014 248)
-
Step 300
300
#B4C3D0
oklch(81% 0.025 244.2)
-
Step 400
400
#8DA4B8
oklch(70.8% 0.039 244.6)
-
Step 500
500 (this color)
#738FA8
oklch(63.8% 0.049 245.6)
-
Step 600
600
#597791
oklch(55.6% 0.053 245.1)
-
Step 700
700
#49647C
oklch(49.2% 0.05 245.9)
-
Step 800
800
#3C5264
oklch(42.8% 0.04 243.6)
-
Step 900
900
#334452
oklch(37.8% 0.032 243.6)
-
Step 950
950
#1E2830
oklch(27.1% 0.02 242.7)
#738FA8 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) | #858FA9 | 0.024 |
| Deuteranopia (no green cones) | #7E89A8 | 0.021 |
| Tritanopia (no blue cones) | #639597 | 0.041 |
| Achromatopsia (no color) | #8C8C8C | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #738FA8
#738FA8
oklch(63.8% 0.049 245.6)
- #A1866C
#A1866C
oklch(63.8% 0.05 65.7)
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 #738FA8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.008
- Blue Grey #758DA3 ΔE 0.008
- Light Slate Gray #778899 ΔE 0.025
- Steel #738595 ΔE 0.034
- Faded Blue #658CBB ΔE 0.036
- Dusty Blue #5A86AD ΔE 0.044
- Lavender Gray #7E7F9A ΔE 0.044
- Cool Gray #8D99AE ΔE 0.047
Use #738FA8 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.