#4783C8
Closest named color: Cool Blue (#4984B8). oklch(60.1% 0.123 253.3), rgb(71, 131, 200).
Aa
Black text reads best on this color (5.34:1).
About this color
#4783C8 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 60%, its chroma 0.123 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Blue (#4984B8), ΔE 0.026 away. Black text reads best on it, at 5.34:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Cool Blue (#4984B8) |
| Black text | 5.34:1 |
| White text | 3.92:1 |
Values
| HEX | #4783C8 |
| RGB | rgb(71, 131, 200) |
| HSL | hsl(212, 54%, 53%) |
| OKLCH | oklch(60.1% 0.123 253.3) |
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 #4783C8 | 3.92:1 | AA large text | Lc -71.9 | Content text, not long reading |
| Black text on #4783C8 | 5.34:1 | AA | Lc 37.6 | Non-text elements, placeholder text |
| #4783C8 text on white | 3.92:1 | AA large text | Lc 66.4 | Content text, not long reading |
| #4783C8 text on black | 5.34:1 | AA | Lc -35.2 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF6
oklch(93.7% 0.018 253.3)
-
Step 200
200
#CADBEF
oklch(88.5% 0.033 252.5)
-
Step 300
300
#A6C4E7
oklch(81% 0.059 252.5)
-
Step 400
400
#75A4DC
oklch(70.7% 0.097 253.4)
-
Step 500
500 (this color)
#4783C8
oklch(60.1% 0.123 253.3)
-
Step 600
600
#3275BF
oklch(55.6% 0.134 253.2)
-
Step 700
700
#2462A5
oklch(49.2% 0.124 253.2)
-
Step 800
800
#205086
oklch(42.7% 0.104 253.6)
-
Step 900
900
#20436B
oklch(37.8% 0.08 253.3)
-
Step 950
950
#13273F
oklch(26.9% 0.052 254)
#4783C8 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) | #6587CB | 0.035 |
| Deuteranopia (no green cones) | #537BC7 | 0.023 |
| Tritanopia (no blue cones) | #00939C | 0.099 |
| Achromatopsia (no color) | #808080 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4783C8
#4783C8
oklch(60.1% 0.123 253.3)
- #AC7311
#AC7311
oklch(60.1% 0.123 73.3)
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 #4783C8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Blue #4984B8 ΔE 0.026
- Water Blue #0E87CC ΔE 0.030
- Steel Blue #4682B4 ΔE 0.031
- Windows Blue #3778BF ΔE 0.037
- Off Blue #5684AE ΔE 0.043
- Dark Sky Blue #448EE4 ΔE 0.047
- Dusty Blue #5A86AD ΔE 0.048
- Faded Blue #658CBB ΔE 0.049
Use #4783C8 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.