#4D74AE
Closest named color: Flat Blue (#3C73A8). oklch(55.6% 0.101 258.1), rgb(77, 116, 174).
Aa
White text reads best on this color (4.74:1).
About this color
#4D74AE is a medium-dark, moderately saturated blue. In OKLCH its lightness is 56%, its chroma 0.101 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Flat Blue (#3C73A8), ΔE 0.021 away. White text reads best on it, at 4.74:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Flat Blue (#3C73A8) |
| Black text | 4.42:1 |
| White text | 4.74:1 |
Values
| HEX | #4D74AE |
| RGB | rgb(77, 116, 174) |
| HSL | hsl(216, 39%, 49%) |
| OKLCH | oklch(55.6% 0.101 258.1) |
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 #4D74AE | 4.74:1 | AA | Lc -78.2 | Fine for body text |
| Black text on #4D74AE | 4.42:1 | AA large text | Lc 31.3 | Non-text elements, placeholder text |
| #4D74AE text on white | 4.74:1 | AA | Lc 72.8 | Content text, not long reading |
| #4D74AE text on black | 4.42:1 | AA large text | Lc -28.9 | Dividers and decoration only |
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 600.
-
Step 50
50
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#CFDAEA
oklch(88.5% 0.025 257.6)
-
Step 300
300
#AFC2DE
oklch(80.9% 0.045 258)
-
Step 400
400
#85A2CE
oklch(70.7% 0.072 258.6)
-
Step 500
500
#668BC2
oklch(63.2% 0.093 258.1)
-
Step 600
600 (this color)
#4D74AE
oklch(55.6% 0.101 258.1)
-
Step 700
700
#3E6195
oklch(49.1% 0.093 258.1)
-
Step 800
800
#334F79
oklch(42.6% 0.078 258.3)
-
Step 900
900
#2D4262
oklch(37.7% 0.061 258.6)
-
Step 950
950
#1B2739
oklch(27.1% 0.038 258.3)
#4D74AE 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) | #5D78B0 | 0.023 |
| Deuteranopia (no green cones) | #506FAD | 0.014 |
| Tritanopia (no blue cones) | #0D8189 | 0.090 |
| Achromatopsia (no color) | #737373 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D74AE
#4D74AE
oklch(55.6% 0.101 258.1)
- #936B22
#936B22
oklch(55.5% 0.101 78.4)
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 #4D74AE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Flat Blue #3C73A8 ΔE 0.021
- French Blue #436BAD ΔE 0.029
- Dull Blue #49759C ΔE 0.030
- Windows Blue #3778BF ΔE 0.031
- Muted Blue #3B719F ΔE 0.032
- Steel Blue #4682B4 ΔE 0.038
- Cerulean #457B9D ΔE 0.039
- Stormy Blue #507B9C ΔE 0.039
Use #4D74AE 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.