#006ADD
Closest named color: Cerulean Blue (#056EEE). oklch(54.4% 0.194 257.1), rgb(0, 106, 221).
Aa
White text reads best on this color (5.11:1).
About this color
#006ADD is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.194 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean Blue (#056EEE), ΔE 0.028 away. White text reads best on it, at 5.11:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.194) |
| Temperature | cool |
| Nearest name | Cerulean Blue (#056EEE) |
| Black text | 4.10:1 |
| White text | 5.11:1 |
Values
| HEX | #006ADD |
| RGB | rgb(0, 106, 221) |
| HSL | hsl(211, 100%, 43%) |
| OKLCH | oklch(54.4% 0.194 257.1) |
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 #006ADD | 5.11:1 | AA | Lc -79.8 | Fine for body text |
| Black text on #006ADD | 4.10:1 | AA large text | Lc 29.7 | Dividers and decoration only |
| #006ADD text on white | 5.11:1 | AA | Lc 74.4 | Content text, not long reading |
| #006ADD text on black | 4.10:1 | AA large text | Lc -27.3 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#DFEBFB
oklch(93.6% 0.025 255.6)
-
Step 200
200
#C5DBFA
oklch(88.5% 0.049 256.9)
-
Step 300
300
#9DC3F9
oklch(80.9% 0.087 257.2)
-
Step 400
400
#66A2F6
oklch(70.8% 0.139 257)
-
Step 500
500
#3887F3
oklch(63.1% 0.179 257.3)
-
Step 600
600 (this color)
#006ADD
oklch(54.4% 0.194 257.1)
-
Step 700
700
#005CC1
oklch(49.2% 0.175 257.1)
-
Step 800
800
#044B9E
oklch(42.7% 0.149 257.2)
-
Step 900
900
#10407E
oklch(37.8% 0.117 257)
-
Step 950
950
#0C264A
oklch(27.1% 0.074 257.4)
#006ADD 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) | #0C77E1 | 0.035 |
| Deuteranopia (no green cones) | #0065DB | 0.013 |
| Tritanopia (no blue cones) | #008799 | 0.147 |
| Achromatopsia (no color) | #6E6E6E | 0.194 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #006ADD
#006ADD
oklch(54.4% 0.194 257.1)
- #946500
#946500
oklch(54.3% 0.114 76.9)
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 #006ADD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean Blue #056EEE ΔE 0.028
- Royal Blue #4169E1 ΔE 0.035
- Azul #1D5DEC ΔE 0.039
- Neon Blue #4361EE ΔE 0.048
- Bright Blue #0165FC ΔE 0.049
- Warm Blue #4B57DB ΔE 0.058
- Clear Blue #247AFD ΔE 0.065
- Mid Blue #276AB3 ΔE 0.066
Use #006ADD 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.