#4D84CF
Closest named color: Cool Blue (#4984B8). oklch(61% 0.129 256.6), rgb(77, 132, 207).
Aa
Black text reads best on this color (5.51:1).
About this color
#4D84CF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.129 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Blue (#4984B8), ΔE 0.036 away. Black text reads best on it, at 5.51:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Cool Blue (#4984B8) |
| Black text | 5.51:1 |
| White text | 3.80:1 |
Values
| HEX | #4D84CF |
| RGB | rgb(77, 132, 207) |
| HSL | hsl(215, 58%, 56%) |
| OKLCH | oklch(61% 0.129 256.6) |
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 #4D84CF | 3.80:1 | AA large text | Lc -70.9 | Content text, not long reading |
| Black text on #4D84CF | 5.51:1 | AA | Lc 38.7 | Non-text elements, placeholder text |
| #4D84CF text on white | 3.80:1 | AA large text | Lc 65.4 | Content text, not long reading |
| #4D84CF text on black | 5.51:1 | AA | Lc -36.3 | 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
#CBDBF1
oklch(88.6% 0.035 256.3)
-
Step 300
300
#A7C3EA
oklch(81% 0.063 256.7)
-
Step 400
400
#77A3DF
oklch(70.8% 0.101 256.3)
-
Step 500
500 (this color)
#4D84CF
oklch(61% 0.129 256.6)
-
Step 600
600
#3773C3
oklch(55.6% 0.139 256.5)
-
Step 700
700
#2960A9
oklch(49.1% 0.131 256.6)
-
Step 800
800
#234F89
oklch(42.8% 0.108 256.4)
-
Step 900
900
#22426D
oklch(37.7% 0.083 256.4)
-
Step 950
950
#142740
oklch(27% 0.053 255.8)
#4D84CF 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) | #6489D2 | 0.030 |
| Deuteranopia (no green cones) | #527DCD | 0.019 |
| Tritanopia (no blue cones) | #0095A0 | 0.105 |
| Achromatopsia (no color) | #838383 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D84CF
#4D84CF
oklch(61% 0.129 256.6)
- #AE7700
#AE7700
oklch(61% 0.128 76.6)
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 #4D84CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Blue #4984B8 ΔE 0.036
- Water Blue #0E87CC ΔE 0.036
- Dark Sky Blue #448EE4 ΔE 0.037
- Steel Blue #4682B4 ΔE 0.043
- Windows Blue #3778BF ΔE 0.046
- Soft Blue #6488EA ΔE 0.050
- Faded Blue #658CBB ΔE 0.050
- Off Blue #5684AE ΔE 0.051
Use #4D84CF 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.