#4977A6
Closest named color: Dull Blue (#49759C). oklch(55.7% 0.089 250.2), rgb(73, 119, 166).
Aa
White text reads best on this color (4.69:1).
About this color
#4977A6 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 56%, its chroma 0.089 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.016 away. White text reads best on it, at 4.69:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.47:1 |
| White text | 4.69:1 |
Values
| HEX | #4977A6 |
| RGB | rgb(73, 119, 166) |
| HSL | hsl(210, 39%, 47%) |
| OKLCH | oklch(55.7% 0.089 250.2) |
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 #4977A6 | 4.69:1 | AA | Lc -77.9 | Fine for body text |
| Black text on #4977A6 | 4.47:1 | AA large text | Lc 31.6 | Non-text elements, placeholder text |
| #4977A6 text on white | 4.69:1 | AA | Lc 72.5 | Content text, not long reading |
| #4977A6 text on black | 4.47:1 | AA large text | Lc -29.2 | 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
#E4EBF2
oklch(93.7% 0.012 248)
-
Step 200
200
#CEDBE8
oklch(88.6% 0.023 248.1)
-
Step 300
300
#AEC3DA
oklch(80.9% 0.04 250.7)
-
Step 400
400
#82A4C8
oklch(70.6% 0.065 250.2)
-
Step 500
500
#638DBA
oklch(63.1% 0.083 250.9)
-
Step 600
600 (this color)
#4977A6
oklch(55.7% 0.089 250.2)
-
Step 700
700
#3A648E
oklch(49.2% 0.083 249.8)
-
Step 800
800
#305173
oklch(42.6% 0.069 250.4)
-
Step 900
900
#2B445D
oklch(37.8% 0.053 249.4)
-
Step 950
950
#192837
oklch(27.1% 0.035 249.2)
#4977A6 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) | #6479A8 | 0.033 |
| Deuteranopia (no green cones) | #5770A5 | 0.024 |
| Tritanopia (no blue cones) | #048287 | 0.078 |
| Achromatopsia (no color) | #747474 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4977A6
#4977A6
oklch(55.7% 0.089 250.2)
- #956A34
#956A34
oklch(55.8% 0.089 70.3)
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 #4977A6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.016
- Flat Blue #3C73A8 ΔE 0.019
- Cerulean #457B9D ΔE 0.021
- Stormy Blue #507B9C ΔE 0.024
- Muted Blue #3B719F ΔE 0.025
- Steel Blue #4682B4 ΔE 0.034
- Metallic Blue #4F738E ΔE 0.037
- Nice Blue #107AB0 ΔE 0.037
Use #4977A6 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.