#007FDF
Closest named color: Water Blue (#0E87CC). oklch(59.1% 0.172 251.1), rgb(0, 127, 223).
Aa
Black text reads best on this color (5.10:1).
About this color
#007FDF is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.172 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.040 away. Black text reads best on it, at 5.10:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.172) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 5.10:1 |
| White text | 4.11:1 |
Values
| HEX | #007FDF |
| RGB | rgb(0, 127, 223) |
| HSL | hsl(206, 100%, 44%) |
| OKLCH | oklch(59.1% 0.172 251.1) |
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 #007FDF | 4.11:1 | AA large text | Lc -73.0 | Content text, not long reading |
| Black text on #007FDF | 5.10:1 | AA | Lc 36.6 | Non-text elements, placeholder text |
| #007FDF text on white | 4.11:1 | AA large text | Lc 67.5 | Content text, not long reading |
| #007FDF text on black | 5.10:1 | AA | Lc -34.1 | 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
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DFEBF9
oklch(93.5% 0.023 252.2)
-
Step 200
200
#C5DCF5
oklch(88.5% 0.042 250.5)
-
Step 300
300
#9CC5F2
oklch(81% 0.078 251.1)
-
Step 400
400
#62A5EB
oklch(70.7% 0.124 250.9)
-
Step 500
500
#2F8CE5
oklch(63% 0.159 251.2)
-
Step 600
600 (this color)
#007FDF
oklch(59.1% 0.172 251.1)
-
Step 700
700
#0062AE
oklch(49.1% 0.143 251.1)
-
Step 800
800
#005090
oklch(42.7% 0.125 251.1)
-
Step 900
900
#084376
oklch(37.8% 0.103 250.9)
-
Step 950
950
#092745
oklch(26.9% 0.066 251.7)
#007FDF 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) | #4C86E3 | 0.046 |
| Deuteranopia (no green cones) | #2075DD | 0.026 |
| Tritanopia (no blue cones) | #0096A4 | 0.125 |
| Achromatopsia (no color) | #7D7D7D | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #007FDF
#007FDF
oklch(59.1% 0.172 251.1)
- #AC6E00
#AC6E00
oklch(59.1% 0.127 70.8)
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 #007FDF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.040
- Clear Blue #247AFD ΔE 0.050
- Windows Blue #3778BF ΔE 0.051
- Cerulean Blue #056EEE ΔE 0.051
- Dark Sky Blue #448EE4 ΔE 0.056
- Royal Blue #4169E1 ΔE 0.059
- Dodger Blue #1E90FF ΔE 0.064
- Nice Blue #107AB0 ΔE 0.072
Use #007FDF 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.