#0052CC
Closest named color: Blue Blue (#2242C7). oklch(48% 0.201 260.5), rgb(0, 82, 204).
Aa
White text reads best on this color (6.82:1).
About this color
#0052CC is a medium-dark, vivid blue. In OKLCH its lightness is 48%, its chroma 0.201 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.036 away. White text reads best on it, at 6.82:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.201) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.07:1 |
| White text | 6.82:1 |
Values
| HEX | #0052CC |
| RGB | rgb(0, 82, 204) |
| HSL | hsl(216, 100%, 40%) |
| OKLCH | oklch(48% 0.201 260.5) |
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 #0052CC | 6.82:1 | AA | Lc -87.6 | Fine for body text |
| Black text on #0052CC | 3.07:1 | AA large text | Lc 21.5 | Dividers and decoration only |
| #0052CC text on white | 6.82:1 | AA | Lc 82.5 | Fine for body text |
| #0052CC text on black | 3.07:1 | AA large text | Lc -19.4 | 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 700.
-
Step 50
50
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DFEBFD
oklch(93.6% 0.028 258.4)
-
Step 200
200
#C5DAFE
oklch(88.4% 0.055 261.2)
-
Step 300
300
#9DC2FF
oklch(81% 0.096 260.2)
-
Step 400
400
#679FFF
oklch(70.7% 0.153 260.6)
-
Step 500
500
#3B83FF
oklch(63.1% 0.198 260.5)
-
Step 600
600
#1568EF
oklch(55.6% 0.217 260.5)
-
Step 700
700 (this color)
#0052CC
oklch(48% 0.201 260.5)
-
Step 800
800
#0B47A8
oklch(42.7% 0.167 260.5)
-
Step 900
900
#133D85
oklch(37.7% 0.13 260.6)
-
Step 950
950
#0C244E
oklch(26.9% 0.083 260.7)
#0052CC 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) | #0064D0 | 0.045 |
| Deuteranopia (no green cones) | #0052CA | 0.003 |
| Tritanopia (no blue cones) | #007287 | 0.153 |
| Achromatopsia (no color) | #5B5B5B | 0.201 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0052CC
#0052CC
oklch(48% 0.201 260.5)
- #7A5600
#7A5600
oklch(47.9% 0.099 80.4)
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 #0052CC, closest first.
No curated palette has a color within ΔE 0.04 of #0052CC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.036
- Azul #1D5DEC ΔE 0.059
- Majorelle Blue #3F37C9 ΔE 0.064
- Warm Blue #4B57DB ΔE 0.065
- Electric Blue #0652FF ΔE 0.079
- Sapphire #2138AB ΔE 0.079
- Vibrant Blue #0339F8 ΔE 0.079
- Blue With A Hint Of Purple #533CC6 ΔE 0.079
Use #0052CC 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.