#1F85AD
Closest named color: Blue NCS (#118AB2). oklch(58% 0.107 230.2), rgb(31, 133, 173).
Aa
Black text reads best on this color (5.01:1).
About this color
#1F85AD is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.107 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.014 away. Black text reads best on it, at 5.01:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.01:1 |
| White text | 4.18:1 |
Values
| HEX | #1F85AD |
| RGB | rgb(31, 133, 173) |
| HSL | hsl(197, 70%, 40%) |
| OKLCH | oklch(58% 0.107 230.2) |
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 #1F85AD | 4.18:1 | AA large text | Lc -73.9 | Content text, not long reading |
| Black text on #1F85AD | 5.01:1 | AA | Lc 35.6 | Non-text elements, placeholder text |
| #1F85AD text on white | 4.18:1 | AA large text | Lc 68.4 | Content text, not long reading |
| #1F85AD text on black | 5.01:1 | AA | Lc -33.2 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C8DDE8
oklch(88.5% 0.027 230.4)
-
Step 300
300
#A2C7DA
oklch(80.9% 0.048 230.4)
-
Step 400
400
#6DAAC8
oklch(70.8% 0.077 230.6)
-
Step 500
500
#4094B9
oklch(63.1% 0.098 230.1)
-
Step 600
600 (this color)
#1F85AD
oklch(58% 0.107 230.2)
-
Step 700
700
#006A8D
oklch(49.1% 0.098 229.8)
-
Step 800
800
#085773
oklch(42.8% 0.082 229.4)
-
Step 900
900
#15485D
oklch(37.8% 0.064 229.5)
-
Step 950
950
#0E2A36
oklch(27% 0.04 229.1)
#1F85AD 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) | #7083AF | 0.072 |
| Deuteranopia (no green cones) | #5E76AC | 0.062 |
| Tritanopia (no blue cones) | #009092 | 0.062 |
| Achromatopsia (no color) | #7C7C7C | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F85AD
#1F85AD
oklch(58% 0.107 230.2)
- #AC663C
#AC663C
oklch(58% 0.107 50.3)
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 #1F85AD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.014
- Teal Blue #01889F ΔE 0.028
- Steel Blue #4682B4 ΔE 0.030
- Cool Blue #4984B8 ΔE 0.035
- Nice Blue #107AB0 ΔE 0.035
- Cerulean #457B9D ΔE 0.037
- Off Blue #5684AE ΔE 0.041
- Stormy Blue #507B9C ΔE 0.044
Use #1F85AD 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.