#748FB5
Closest named color: Silver Lake Blue (#778DA9). oklch(64.4% 0.065 257), rgb(116, 143, 181).
Aa
Black text reads best on this color (6.33:1).
About this color
#748FB5 is a medium-light, muted blue. In OKLCH its lightness is 64%, its chroma 0.065 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.018 away. Black text reads best on it, at 6.33:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.33:1 |
| White text | 3.31:1 |
Values
| HEX | #748FB5 |
| RGB | rgb(116, 143, 181) |
| HSL | hsl(215, 31%, 58%) |
| OKLCH | oklch(64.4% 0.065 257) |
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 #748FB5 | 3.31:1 | AA large text | Lc -65.9 | Content text, not long reading |
| Black text on #748FB5 | 6.33:1 | AA | Lc 43.6 | Non-text elements, placeholder text |
| #748FB5 text on white | 3.31:1 | AA large text | Lc 60.5 | Content text, not long reading |
| #748FB5 text on black | 6.33:1 | AA | Lc -41.2 | 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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D2DAE5
oklch(88.6% 0.017 256.3)
-
Step 300
300
#B4C2D6
oklch(81% 0.032 257.2)
-
Step 400
400
#8DA2C1
oklch(70.7% 0.051 258)
-
Step 500
500 (this color)
#748FB5
oklch(64.4% 0.065 257)
-
Step 600
600
#58759D
oklch(55.6% 0.071 256.6)
-
Step 700
700
#486286
oklch(49.1% 0.066 256.6)
-
Step 800
800
#3C506D
oklch(42.7% 0.055 257.6)
-
Step 900
900
#334258
oklch(37.6% 0.043 257.8)
-
Step 950
950
#1E2734
oklch(27% 0.028 257.5)
#748FB5 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) | #8191B7 | 0.019 |
| Deuteranopia (no green cones) | #7A8AB4 | 0.015 |
| Tritanopia (no blue cones) | #5F979C | 0.057 |
| Achromatopsia (no color) | #8D8D8D | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #748FB5
#748FB5
oklch(64.4% 0.065 257)
- #A48860
#A48860
oklch(64.3% 0.065 76.1)
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 #748FB5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.018
- Faded Blue #658CBB ΔE 0.023
- Blue Grey #758DA3 ΔE 0.027
- Light Slate Gray #778899 ΔE 0.041
- Dusty Blue #5A86AD ΔE 0.044
- Cool Gray #8D99AE ΔE 0.048
- Steel #738595 ΔE 0.049
- Off Blue #5684AE ΔE 0.051
Use #748FB5 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.