#4972A4
Closest named color: Flat Blue (#3C73A8). oklch(54.4% 0.091 254.1), rgb(73, 114, 164).
Aa
White text reads best on this color (4.96:1).
About this color
#4972A4 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.091 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Flat Blue (#3C73A8), ΔE 0.013 away. White text reads best on it, at 4.96:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Flat Blue (#3C73A8) |
| Black text | 4.22:1 |
| White text | 4.96:1 |
Values
| HEX | #4972A4 |
| RGB | rgb(73, 114, 164) |
| HSL | hsl(213, 38%, 46%) |
| OKLCH | oklch(54.4% 0.091 254.1) |
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 #4972A4 | 4.96:1 | AA | Lc -79.7 | Fine for body text |
| Black text on #4972A4 | 4.22:1 | AA large text | Lc 29.8 | Dividers and decoration only |
| #4972A4 text on white | 4.96:1 | AA | Lc 74.3 | Content text, not long reading |
| #4972A4 text on black | 4.22:1 | AA large text | Lc -27.5 | 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
#E5EAF2
oklch(93.6% 0.012 259.8)
-
Step 200
200
#CFDAE8
oklch(88.4% 0.023 254.4)
-
Step 300
300
#AFC3DB
oklch(81% 0.04 253.1)
-
Step 400
400
#85A3C9
oklch(70.7% 0.065 254.6)
-
Step 500
500
#668CBC
oklch(63.1% 0.084 254.7)
-
Step 600
600 (this color)
#4972A4
oklch(54.4% 0.091 254.1)
-
Step 700
700
#3D6390
oklch(49.2% 0.085 253.5)
-
Step 800
800
#335175
oklch(42.8% 0.07 253.7)
-
Step 900
900
#2D435E
oklch(37.7% 0.054 254.1)
-
Step 950
950
#1A2737
oklch(26.9% 0.035 254.1)
#4972A4 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) | #5E75A6 | 0.028 |
| Deuteranopia (no green cones) | #526CA3 | 0.018 |
| Tritanopia (no blue cones) | #0E7D84 | 0.079 |
| Achromatopsia (no color) | #707070 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4972A4
#4972A4
oklch(54.4% 0.091 254.1)
- #8F672C
#8F672C
oklch(54.3% 0.091 74.2)
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 #4972A4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Flat Blue #3C73A8 ΔE 0.013
- Muted Blue #3B719F ΔE 0.017
- Dull Blue #49759C ΔE 0.017
- French Blue #436BAD ΔE 0.028
- Cerulean #457B9D ΔE 0.031
- Stormy Blue #507B9C ΔE 0.034
- Metallic Blue #4F738E ΔE 0.036
- Nice Blue #107AB0 ΔE 0.040
Use #4972A4 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.