#0084BF
Closest named color: Water Blue (#0E87CC). oklch(58.3% 0.13 238.5), rgb(0, 132, 191).
Aa
Black text reads best on this color (5.05:1).
About this color
#0084BF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.130 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.021 away. Black text reads best on it, at 5.05:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 5.05:1 |
| White text | 4.15:1 |
Values
| HEX | #0084BF |
| RGB | rgb(0, 132, 191) |
| HSL | hsl(199, 100%, 37%) |
| OKLCH | oklch(58.3% 0.13 238.5) |
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 #0084BF | 4.15:1 | AA large text | Lc -73.5 | Content text, not long reading |
| Black text on #0084BF | 5.05:1 | AA | Lc 36.1 | Non-text elements, placeholder text |
| #0084BF text on white | 4.15:1 | AA large text | Lc 68.0 | Content text, not long reading |
| #0084BF text on black | 5.05:1 | AA | Lc -33.7 | 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 600.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF4
oklch(93.6% 0.017 236.7)
-
Step 200
200
#C6DDED
oklch(88.5% 0.033 238.2)
-
Step 300
300
#9EC7E3
oklch(81% 0.059 238.3)
-
Step 400
400
#66A9D5
oklch(70.7% 0.094 238.8)
-
Step 500
500
#3393C9
oklch(63.2% 0.119 237.9)
-
Step 600
600 (this color)
#0084BF
oklch(58.3% 0.13 238.5)
-
Step 700
700
#006897
oklch(49.1% 0.109 238.1)
-
Step 800
800
#00557D
oklch(42.7% 0.096 238.5)
-
Step 900
900
#0B4766
oklch(37.8% 0.078 237.8)
-
Step 950
950
#0A293C
oklch(26.9% 0.05 239.7)
#0084BF 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) | #6785C2 | 0.069 |
| Deuteranopia (no green cones) | #5076BE | 0.054 |
| Tritanopia (no blue cones) | #009399 | 0.084 |
| Achromatopsia (no color) | #7C7C7C | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0084BF
#0084BF
oklch(58.3% 0.13 238.5)
- #B36517
#B36517
oklch(58.4% 0.13 58.7)
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 #0084BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.021
- Blue NCS #118AB2 ΔE 0.030
- Nice Blue #107AB0 ΔE 0.033
- Steel Blue #4682B4 ΔE 0.035
- Cool Blue #4984B8 ΔE 0.036
- Windows Blue #3778BF ΔE 0.037
- Off Blue #5684AE ΔE 0.053
- Flat Blue #3C73A8 ΔE 0.054
Use #0084BF 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.