#738DB5
Closest named color: Silver Lake Blue (#778DA9). oklch(63.9% 0.067 258.9), rgb(115, 141, 181).
Aa
Black text reads best on this color (6.20:1).
About this color
#738DB5 is a medium-light, muted blue. In OKLCH its lightness is 64%, its chroma 0.067 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.019 away. Black text reads best on it, at 6.20:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.20:1 |
| White text | 3.38:1 |
Values
| HEX | #738DB5 |
| RGB | rgb(115, 141, 181) |
| HSL | hsl(216, 31%, 58%) |
| OKLCH | oklch(63.9% 0.067 258.9) |
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 #738DB5 | 3.38:1 | AA large text | Lc -66.7 | Content text, not long reading |
| Black text on #738DB5 | 6.20:1 | AA | Lc 42.8 | Non-text elements, placeholder text |
| #738DB5 text on white | 3.38:1 | AA large text | Lc 61.3 | Content text, not long reading |
| #738DB5 text on black | 6.20:1 | AA | Lc -40.4 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D2DAE6
oklch(88.6% 0.019 258.4)
-
Step 300
300
#B4C2D6
oklch(81% 0.032 257.2)
-
Step 400
400
#8DA2C2
oklch(70.7% 0.053 258.7)
-
Step 500
500 (this color)
#738DB5
oklch(63.9% 0.067 258.9)
-
Step 600
600
#59749E
oklch(55.5% 0.073 259)
-
Step 700
700
#496187
oklch(49% 0.068 259.4)
-
Step 800
800
#3C506E
oklch(42.8% 0.056 258.3)
-
Step 900
900
#334259
oklch(37.6% 0.044 258.8)
-
Step 950
950
#1E2734
oklch(27% 0.028 257.5)
#738DB5 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) | #7F8FB7 | 0.017 |
| Deuteranopia (no green cones) | #7889B4 | 0.012 |
| Tritanopia (no blue cones) | #5E959A | 0.060 |
| Achromatopsia (no color) | #8C8C8C | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #738DB5
#738DB5
oklch(63.9% 0.067 258.9)
- #A2875C
#A2875C
oklch(63.8% 0.068 78.7)
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 #738DB5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.019
- Faded Blue #658CBB ΔE 0.019
- Blue Grey #758DA3 ΔE 0.028
- Dusty Blue #5A86AD ΔE 0.039
- Light Slate Gray #778899 ΔE 0.041
- Off Blue #5684AE ΔE 0.046
- Steel #738595 ΔE 0.048
- Lavender Gray #7E7F9A ΔE 0.048
Use #738DB5 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.