#1FA5CB
Closest named color: Turquoise Blue (#06B1C4). oklch(67.2% 0.119 223.2), rgb(31, 165, 203).
Aa
Black text reads best on this color (7.30:1).
About this color
#1FA5CB is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.119 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.039 away. Black text reads best on it, at 7.30:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.30:1 |
| White text | 2.87:1 |
Values
| HEX | #1FA5CB |
| RGB | rgb(31, 165, 203) |
| HSL | hsl(193, 74%, 46%) |
| OKLCH | oklch(67.2% 0.119 223.2) |
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 #1FA5CB | 2.87:1 | Fails | Lc -59.8 | Large or bold text, headings |
| Black text on #1FA5CB | 7.30:1 | AAA | Lc 49.6 | Large or bold text, headings |
| #1FA5CB text on white | 2.87:1 | Fails | Lc 54.5 | Large or bold text, headings |
| #1FA5CB text on black | 7.30:1 | AAA | Lc -47.3 | Large or bold text, headings |
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 400.
-
Step 50
50
#EFF7FA
oklch(97.1% 0.009 222.1)
-
Step 100
100
#DBEDF4
oklch(93.5% 0.021 223)
-
Step 200
200
#BDE0ED
oklch(88.6% 0.041 222.3)
-
Step 300
300
#8ACCE4
oklch(80.9% 0.075 222.8)
-
Step 400
400 (this color)
#1FA5CB
oklch(67.2% 0.119 223.2)
-
Step 500
500
#0098BD
oklch(63.1% 0.118 223.1)
-
Step 600
600
#00809F
oklch(55.6% 0.103 222.6)
-
Step 700
700
#006B86
oklch(49% 0.091 223.1)
-
Step 800
800
#00586F
oklch(42.7% 0.08 223.4)
-
Step 900
900
#00495D
oklch(37.7% 0.071 223.8)
-
Step 950
950
#002B38
oklch(26.8% 0.05 223.6)
#1FA5CB 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) | #8FA1CD | 0.093 |
| Deuteranopia (no green cones) | #7991CB | 0.083 |
| Tritanopia (no blue cones) | #00B1B1 | 0.060 |
| Achromatopsia (no color) | #989898 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1FA5CB
#1FA5CB
oklch(67.2% 0.119 223.2)
- #D27C58
#D27C58
oklch(67.2% 0.118 43.1)
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 #1FA5CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.039
- Greyblue #77A1B5 ΔE 0.067
- Cadet Blue #5F9EA0 ΔE 0.068
- Light Sea Green #20B2AA ΔE 0.071
- Faded Blue #658CBB ΔE 0.076
- Blue NCS #118AB2 ΔE 0.080
- Chefchaouen Blue #4895EF ΔE 0.081
- Sea #3C9992 ΔE 0.083
Use #1FA5CB 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.