#4D83C8
Closest named color: Cool Blue (#4984B8). oklch(60.4% 0.121 255.3), rgb(77, 131, 200).
Aa
Black text reads best on this color (5.39:1).
About this color
#4D83C8 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 60%, its chroma 0.121 and its hue 255°. 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 5.39:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Cool Blue (#4984B8) |
| Black text | 5.39:1 |
| White text | 3.89:1 |
Values
| HEX | #4D83C8 |
| RGB | rgb(77, 131, 200) |
| HSL | hsl(214, 53%, 54%) |
| OKLCH | oklch(60.4% 0.121 255.3) |
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 #4D83C8 | 3.89:1 | AA large text | Lc -71.7 | Content text, not long reading |
| Black text on #4D83C8 | 5.39:1 | AA | Lc 37.9 | Non-text elements, placeholder text |
| #4D83C8 text on white | 3.89:1 | AA large text | Lc 66.2 | Content text, not long reading |
| #4D83C8 text on black | 5.39:1 | AA | Lc -35.5 | 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
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#CBDBEF
oklch(88.6% 0.033 254)
-
Step 300
300
#A8C3E7
oklch(80.9% 0.059 255.7)
-
Step 400
400
#78A3DB
oklch(70.6% 0.095 255.3)
-
Step 500
500 (this color)
#4D83C8
oklch(60.4% 0.121 255.3)
-
Step 600
600
#3974BE
oklch(55.6% 0.131 255.3)
-
Step 700
700
#2B61A4
oklch(49.1% 0.122 255.3)
-
Step 800
800
#254F85
oklch(42.6% 0.102 255.8)
-
Step 900
900
#23426A
oklch(37.6% 0.078 255.6)
-
Step 950
950
#15273E
oklch(27% 0.049 255.2)
#4D83C8 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) | #6688CB | 0.032 |
| Deuteranopia (no green cones) | #557CC7 | 0.019 |
| Tritanopia (no blue cones) | #00939C | 0.101 |
| Achromatopsia (no color) | #818181 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D83C8
#4D83C8
oklch(60.4% 0.121 255.3)
- #AB7517
#AB7517
oklch(60.4% 0.121 74.7)
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 #4D83C8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Blue #4984B8 ΔE 0.026
- Steel Blue #4682B4 ΔE 0.032
- Water Blue #0E87CC ΔE 0.035
- Windows Blue #3778BF ΔE 0.040
- Off Blue #5684AE ΔE 0.042
- Faded Blue #658CBB ΔE 0.045
- Dusty Blue #5A86AD ΔE 0.046
- Dark Sky Blue #448EE4 ΔE 0.046
Use #4D83C8 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.