#4977A3
Closest named color: Dull Blue (#49759C). oklch(55.5% 0.086 248.6), rgb(73, 119, 163).
Aa
White text reads best on this color (4.71:1).
About this color
#4977A3 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 56%, its chroma 0.086 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.011 away. White text reads best on it, at 4.71:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.45:1 |
| White text | 4.71:1 |
Values
| HEX | #4977A3 |
| RGB | rgb(73, 119, 163) |
| HSL | hsl(209, 38%, 46%) |
| OKLCH | oklch(55.5% 0.086 248.6) |
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 #4977A3 | 4.71:1 | AA | Lc -78.1 | Fine for body text |
| Black text on #4977A3 | 4.45:1 | AA large text | Lc 31.4 | Non-text elements, placeholder text |
| #4977A3 text on white | 4.71:1 | AA | Lc 72.6 | Content text, not long reading |
| #4977A3 text on black | 4.45:1 | AA large text | Lc -29.1 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CFDBE7
oklch(88.6% 0.021 248.1)
-
Step 300
300
#AEC3D9
oklch(80.8% 0.039 249.5)
-
Step 400
400
#83A4C6
oklch(70.6% 0.062 249.5)
-
Step 500
500
#638EB7
oklch(63.2% 0.078 248)
-
Step 600
600 (this color)
#4977A3
oklch(55.5% 0.086 248.6)
-
Step 700
700
#3A648C
oklch(49.1% 0.08 248.6)
-
Step 800
800
#315272
oklch(42.8% 0.066 248.9)
-
Step 900
900
#2B445C
oklch(37.7% 0.052 248.4)
-
Step 950
950
#1A2836
oklch(27.1% 0.032 249.1)
#4977A3 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) | #6578A5 | 0.034 |
| Deuteranopia (no green cones) | #596FA2 | 0.027 |
| Tritanopia (no blue cones) | #0D8186 | 0.073 |
| Achromatopsia (no color) | #737373 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4977A3
#4977A3
oklch(55.5% 0.086 248.6)
- #946938
#946938
oklch(55.5% 0.086 68)
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 #4977A3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.011
- Cerulean #457B9D ΔE 0.017
- Stormy Blue #507B9C ΔE 0.020
- Flat Blue #3C73A8 ΔE 0.021
- Muted Blue #3B719F ΔE 0.024
- Metallic Blue #4F738E ΔE 0.032
- Steel Blue #4682B4 ΔE 0.036
- Nice Blue #107AB0 ΔE 0.039
Use #4977A3 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.