#748DA3
Closest named color: Blue Grey (#758DA3). oklch(63.2% 0.044 245.1), rgb(116, 141, 163).
Aa
Black text reads best on this color (6.08:1).
About this color
#748DA3 is a medium-light, muted blue. In OKLCH its lightness is 63%, its chroma 0.044 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Grey (#758DA3), ΔE 0.001 away. Black text reads best on it, at 6.08:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Blue Grey (#758DA3) |
| Black text | 6.08:1 |
| White text | 3.45:1 |
Values
| HEX | #748DA3 |
| RGB | rgb(116, 141, 163) |
| HSL | hsl(208, 20%, 55%) |
| OKLCH | oklch(63.2% 0.044 245.1) |
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 #748DA3 | 3.45:1 | AA large text | Lc -67.5 | Content text, not long reading |
| Black text on #748DA3 | 6.08:1 | AA | Lc 42.0 | Non-text elements, placeholder text |
| #748DA3 text on white | 3.45:1 | AA large text | Lc 62.1 | Content text, not long reading |
| #748DA3 text on black | 6.08:1 | AA | Lc -39.6 | 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
#D3DAE1
oklch(88.5% 0.012 248)
-
Step 300
300
#B6C2CE
oklch(80.8% 0.022 248.1)
-
Step 400
400
#8FA3B5
oklch(70.6% 0.035 245.5)
-
Step 500
500 (this color)
#748DA3
oklch(63.2% 0.044 245.1)
-
Step 600
600
#5C778E
oklch(55.7% 0.048 244.5)
-
Step 700
700
#4C6479
oklch(49.2% 0.044 245.3)
-
Step 800
800
#3E5162
oklch(42.6% 0.037 245.8)
-
Step 900
900
#354350
oklch(37.6% 0.029 246.7)
-
Step 950
950
#1F282F
oklch(27.1% 0.018 241.7)
#748DA3 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) | #848DA4 | 0.022 |
| Deuteranopia (no green cones) | #7E88A3 | 0.018 |
| Tritanopia (no blue cones) | #669294 | 0.036 |
| Achromatopsia (no color) | #8A8A8A | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #748DA3
#748DA3
oklch(63.2% 0.044 245.1)
- #9D856E
#9D856E
oklch(63.3% 0.044 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 #748DA3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Grey #758DA3 ΔE 0.001
- Silver Lake Blue #778DA9 ΔE 0.010
- Light Slate Gray #778899 ΔE 0.017
- Steel #738595 ΔE 0.027
- Lavender Gray #7E7F9A ΔE 0.039
- Faded Blue #658CBB ΔE 0.041
- Slate Gray #708090 ΔE 0.041
- Dusty Blue #5A86AD ΔE 0.043
Use #748DA3 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.